Álvarez Bogantes C. Effectiveness of the Ecological Program “Saltando por su salud” in the Promotion of Physical Activity and Self-Efficacy in Third-Grade School Children. reped [Internet]. 2016 Jul. 7 [cited 2024 Aug. 16];11(1):147-69. Available from: https://www.revistas.una.ac.cr/index.php/ensayospedagogicos/article/view/8473