Tatyana P. Gordienko, L. Z. T. M. I. M. (2019) “Reflective Approach to Self-Assessment of Professional Educational Activity by University Professors”, Opción, 350, pp. 1172-1187. Available at: http://www.produccioncientifica.luz.edu.ve/index.php/opcion/article/view/24575 (Accessed: 26September2025).