Espinoza Freire, E. E. ., D. M. . Granda Ayabaca, and J. A. . Ramírez López. “PROFESSIONAL SKILLS OF TEACHERS OF BASIC EDUCATION. MACHALA”. Didáctica Y Educación ISSN 2224-2643, vol. 11, no. 3, Sept. 2020, pp. 132-48, https://revistas.ult.edu.cu/index.php/didascalia/article/view/996.