Standardization of the teaching-learning strategy - Field Trips, for the planning and development of its three execution moments: before, during and after. Revista Torreón Universitario, [S. l.], v. 7, n. 19, p. 62–73, 2019. DOI: 10.5377/torreon.v7i19.7911. Disponível em: https://revistas.unan.edu.ni/index.php/Torreon/article/view/3271. Acesso em: 6 aug. 2025.