Gamboa Jiménez, A., Ortega Rojas, J., Cerdas Montano, V., Fallas Vargas, M. A., & Vargas Fonseca, J. (2010). Skills in the XXI Century Guidance: An Approach to the Costa Rican Reality.

Gamboa Jiménez, Alejandra, Juan Ortega Rojas, Virginia Cerdas Montano, Manuel Arturo Fallas Vargas, و Juan Vargas Fonseca. Skills in the XXI Century Guidance: An Approach to the Costa Rican Reality. 2010.

Gamboa Jiménez, Alejandra, et al. Skills in the XXI Century Guidance: An Approach to the Costa Rican Reality. 2010.