Ugalde-Ramírez, J. A., de la Rubia, A., Sánchez-Ureña, B., Gutiérrez-Vargas, R., Pino-Ortega, J., & Ugalde Ramírez, J. A. (2026). Relative Age Effect in Costa Rican Professional Football. An Analysis by Tournaments, Playing Positions, and Competitive Participation Indicators.

Ugalde-Ramírez, Jose Alexis, Alfonso de la Rubia, Braulio Sánchez-Ureña, Randall Gutiérrez-Vargas, José Pino-Ortega, y Jose Alexis Ugalde Ramírez. Relative Age Effect in Costa Rican Professional Football. An Analysis By Tournaments, Playing Positions, and Competitive Participation Indicators. 2026.

Ugalde-Ramírez, Jose Alexis, et al. Relative Age Effect in Costa Rican Professional Football. An Analysis By Tournaments, Playing Positions, and Competitive Participation Indicators. 2026.