“Positive Feedback for the Teaching of Conjugated, Regular and Irregular Verb Forms in 7th Grade Students, Rigoberto López Pérez Institute, Managua Nicaragua”. Revista Científica Estelí 12, no. 45 (April 27, 2023): 58–80. Accessed August 5, 2025. https://revistas.unan.edu.ni/index.php/Cientifica/article/view/2810.