Mucha Hospinal, Luis Florencio, Rafael Chamorro Mejía, Máximo Edgar Oseda Lazo, and Rubén Darío Alania Contreras. “Evaluation of Procedures Used to Determine the Population and Sample in Postgraduate Research Works”. Desafios 12, no. 1 (January 8, 2021): 50–57. Accessed December 13, 2025. https://revistas.udh.edu.pe/udh/article/view/23.