Segura Castro, D., Adanis Cerdas, D., Barrantes-Brais, K., Ureña Bonilla, P., & Sánchez Ureña, B. (2018). SELF-EFFICACY, PRECOMPETITIVE ANXIETY AND SELF-PERCEPTION OF PERFORMANCE IN UNDER 17 AND JUVENILE SOCCER PLAYERS. Universidad Nacional, Costa Rica.

Segura Castro, Diego, Diego Adanis Cerdas, Kristy Barrantes-Brais, Pedro Ureña Bonilla, and Braulio Sánchez Ureña. SELF-EFFICACY, PRECOMPETITIVE ANXIETY AND SELF-PERCEPTION OF PERFORMANCE IN UNDER 17 AND JUVENILE SOCCER PLAYERS. Universidad Nacional, Costa Rica, 2018.

Segura Castro, Diego, et al. SELF-EFFICACY, PRECOMPETITIVE ANXIETY AND SELF-PERCEPTION OF PERFORMANCE IN UNDER 17 AND JUVENILE SOCCER PLAYERS. Universidad Nacional, Costa Rica, 2018.