Vargas-Rodriguez, Y.M., Valdivia, A.E.O., Montano-Osorio, C., Lima-Vargas, A.E., Pacheco-Ortin, S.M. and Vargas-Rodriguez, G.I. 2020. Online Applied Problem-Based Learning to Determine the Shelf Life of an on-Site Solution of Refrigerated Drug. International Journal of Educational Technology and Learning. 9, 1 (Sep. 2020), 10–18. DOI:https://doi.org/10.20448/2003.91.10.18.