Domínguez, L. and Perozo, S. (2022) “The training of the teachers of natural sciences of the educational institutions of the Department of Nariño Colombia”, Impacto Científico, 17(2), pp. 227-249. Available at: https://produccioncientifica.luz.edu.ve/index.php/impacto/article/view/39237 (Accessed: 1August2025).