Barreto Ascona, J.I. and Lezcano Mencia, A. (2023) “Analysis and substantiation of research designs: exploring quantitative, qualitative and mixed approaches based on Creswell & Creswell (2018)”, Revista UNIDA Científica, 7(2), pp. 110–117. Available at: https://revistacientifica.unida.edu.py/publicaciones/index.php/cientifica/article/view/179 (Accessed: 9 November 2026).