M. A. Toala Pilay, J. M. González-Moran, M. G. Cañarte Castillo, I. J. Tigselema Eger, and J. E. Bravo Delgado, “The training of sports, environmental and community promoters: ISBN: 978-9942-8825-5-4”, RNK, pp. 1-134, May 2020.