Pérez-Villegas, J.F., González-Pino, A.A. and Domínguez-Chinchilla, D.L. 2018. Feasibility study of piezoelectric energy collector as an implementation of a clean technology, using the transit of people at the entrance of University Francisco De Paula Santander - Ocaña (UFPSO). Revista Ingenio. 15, 1 (Dec. 2018), 16–22. DOI:https://doi.org/10.22463/2011642X.3033.