Soler Rodríguez, G. , Alfonso Serafín, A. and Rodríguez Rodríguez, L. (2003) “ Curso Interactivo SPSS 8.0 para WINDOWS”., Revista Varela, 3(4), pp. 1–23. Available at: https://revistavarela.uclv.edu.cu/index.php/rv/article/view/1200 (Accessed: 23 April 2025).