Díaz Escoto Alma Silvia, Ramírez Godoy Ma. Esther, and Julio Zetter Leal. “evelopment of pecialized lectronic nformation esources in the eneral irectory for ibraries”. Biblioteca Universitaria 19, no. 1 (June 1, 2016): 15–32. ccessed May 18, 2024. https://bibliotecauniversitaria.dgb.unam.mx/rbu/article/view/138.