[1]
Calizaya Lopez, J.M., Bellido Medina, R.S., Aleman Vilca, Y., Morales Palao, B., Monzon Alvarez, G.I. and Ceballos Bejarano, F.E. 2020. Chapter 2: Statement of the problem and theoretical framework in quantitative research. Universidad Ciencia y TecnologĂ­a. 24, 107 (Dec. 2020), 88-105. DOI:https://doi.org/10.47460/uct.v24i107.418.