Peñafiel-Álvarez, Julio Luis, Sergio Constantino Ochoa-Encalada, and Diego Andrés Heredia-León. 2020. “Didactic Strategies of Physical Education to Develop Motivation in School Education Students”. Killkana Social 4 (2):61-66. https://doi.org/10.26871/killkanasocial.v4i2.615.