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1341

Portal de Revistas UNA

artículo original

Stochastics and special education teaching: centered and uniform distributions

by López-Mojica, José Marcos

Published 2019

Institution: Universidad Nacional de Costa Rica

Repositorio: Portal de Revistas UNA

1342

Portal de Revistas UNA

artículo original

Mathematical proof: meaning, types, attributed functions, and relevance as part of math teachers’ professional knowledge

by Alfaro-Carvajal, Cristian, Flores-Martínez, Pablo, Valverde-Soto, Gabriela

Published 2019

Institution: Universidad Nacional de Costa Rica

Repositorio: Portal de Revistas UNA

1343

Portal de Revistas UNA

artículo original

Evaluation of potential contamination of groundwater and spring protection areas of the Maravilla-Chiz and Quebrada Honda sub-basins, Cartago, Costa Rica

by Fonseca-Sánchez, Alicia, Madrigal-Solís, Helga, Núñez-Solís, Christian, Calderón-Sánchez, Hazel, Moraga-López, Geannina, Gómez-Cruz, Alicia

Published 2019

Institution: Universidad Nacional de Costa Rica

Repositorio: Portal de Revistas UNA

1344

Portal de Revistas UNA

artículo original

Understanding Space Weather: Solar Cycles and Magnetic Rossby Waves

by Márquez-Artavia, Xiomara

Published 2019

Institution: Universidad Nacional de Costa Rica

Repositorio: Portal de Revistas UNA

1345

Portal de Revistas UNA

artículo original

College education of elementary school teachers: the case of mathematics

by Alpízar-Vargas, Marianela, Alfaro-Arce, Ana Lucía

Published 2019

Institution: Universidad Nacional de Costa Rica

Repositorio: Portal de Revistas UNA

1346

Portal de Revistas UNA

artículo original

Study of the effects of an earthquake on a geodetic reference frame

by Valverde-Calderón, Jose

Published 2020

Institution: Universidad Nacional de Costa Rica

Repositorio: Portal de Revistas UNA

1347

Portal de Revistas UNA

artículo original

Integration of Remote Usability Tests in eXtreme Programming: A Literature Review

by Sánchez-Hernández, Diego, Lizano-Madriz, Fulvio, Sandoval-Carvajal, María Marta

Published 2020

Institution: Universidad Nacional de Costa Rica

Repositorio: Portal de Revistas UNA

1348

Portal de Revistas UNA

artículo original

Comparison of fatty acids profile of the gonads and eggs of Lutjanus guttatus (Perciformes: Lutjanidae) obtained from wild and captive broodstock

by Chacón-Guzmán, Jonathan, Carvajal-Oses, Milagro, Toledo-Agüero, Pedro, Flores-Gatica, Héctor

Published 2020

Institution: Universidad Nacional de Costa Rica

Repositorio: Portal de Revistas UNA

1349

Portal de Revistas UNA

artículo original

Management and use of organic solid waste during the period 2013−2016 at Universidad Nacional

by Rojas-Vargas, Julian, Monge-Fernández, Yanory, Herrera-Araya, Andrea

Published 2020

Institution: Universidad Nacional de Costa Rica

Repositorio: Portal de Revistas UNA

1350

Portal de Revistas UNA

artículo original

Impacts of attitudes, social development, mother’s educational level and self-efficacy on academic achievement in mathematics

by Zamora-Araya, José Andrey

Published 2020

Institution: Universidad Nacional de Costa Rica

Repositorio: Portal de Revistas UNA

1351

Portal de Revistas UNA

artículo original

What modes of use does the mathematics teacher propose in initial training to teach the Pythagorean theorem in secondary education?

by Chaverri-Hernández, Jorhan José, Hernández-Arce, Kimberly, Castillo-Céspedes, María José, Vallejos-Meléndez, David, Picado-Alfaro, Miguel

Published 2020

Institution: Universidad Nacional de Costa Rica

Repositorio: Portal de Revistas UNA

1352

Portal de Revistas UNA

artículo original

Comparison of parameters of the generalized extreme value distribution associated with extreme rainfall events in Central America

by Guillén-Oviedo, Helen S., Cid-Serrano, Luis R., Alfaro-Martínez, Eric J.

Published 2020

Institution: Universidad Nacional de Costa Rica

Repositorio: Portal de Revistas UNA

1353

Portal de Revistas UNA

artículo original

Modeling of university dropout using Markov chains

by González-Campos, José Alejandro, Carvajal-Muquillaza, Cristian Manuel, Aspeé-Chacón, Juan Elías

Published 2020

Institution: Universidad Nacional de Costa Rica

Repositorio: Portal de Revistas UNA

1354

Portal de Revistas UNA

artículo original

Evaluation of the hypothesis of the Monster of Troy vase as the earliest artistic record of a vertebrate fossil

by Monge-Nájera, Julián

Published 2020

Institution: Universidad Nacional de Costa Rica

Repositorio: Portal de Revistas UNA

1355

Portal de Revistas UNA

artículo original

What do we Think About Water? Public Perception of the Current Situation of Water Resources in Costa Rica: an Indicator of Water Understanding and Management

by Madrigal-Solís, Helga, Echeverría-Sáenz, Silvia, Pizarro-Mendez, Yanina, Alfaro-Chinchilla, Carolina, Jiménez-Cavallini, Sylvia, Centeno-Morales, Jacqueline, López-Alfaro, Nelly, Suárez-Serrano, Andrea

Published 2020

Institution: Universidad Nacional de Costa Rica

Repositorio: Portal de Revistas UNA

1356

Portal de Revistas UNA

artículo original

Measurement of blue water footprint in Universidad Nacional in Costa Rica from 2012 to 2016

by Chavarría-Solera, Fabián, Gamboa-Venegas, Rebeca, Rodríguez-Flores, Jeison, Chinchilla-González, Diana, Herrera-Araya, Andrea, Herra-Solís, Ana Carolina

Published 2020

Institution: Universidad Nacional de Costa Rica

Repositorio: Portal de Revistas UNA

1357

Portal de Revistas UNA

artículo original

Use of arguments and analogies in preparation for the International Biology Olympics and their contributions to promotion of scientific thinking skills in Costa Rican students

by Cortés-Muñoz, Irama, Porras-Araya, Melvin Steve, Pereira-Chaves, José, Jiménez-Sánchez, Susana

Published 2020

Institution: Universidad Nacional de Costa Rica

Repositorio: Portal de Revistas UNA

1358

Portal de Revistas UNA

artículo original

Factors that influence student dropout and failing grades in a university mathematics course

by Castillo-Sánchez, Mario, Gamboa-Araya, Ronny, Hidalgo-Mora, Randall

Published 2020

Institution: Universidad Nacional de Costa Rica

Repositorio: Portal de Revistas UNA

1359

Portal de Revistas UNA

artículo original

College mathematics assessment practices: Tensions and challenges in their conceptual network

by García-Oliveros, Gloria, Salguero-Rivera, Beatriz, Rodríguez-Díaz, Oswaldo, Palomino-Bejarano, Erminsul, Caicedo-Valencia, Rafael

Published 2020

Institution: Universidad Nacional de Costa Rica

Repositorio: Portal de Revistas UNA

1360

Portal de Revistas UNA

artículo original

Representation in the solution of mathematical problems: an analysis of metacognitive strategies of secondary education students

by Arteaga-Martínez, Blanca, Macías, Jesús, Pizarro, Noemí

Published 2020

Institution: Universidad Nacional de Costa Rica

Repositorio: Portal de Revistas UNA

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