MONTES TIERRABLANCA, Ivonne del Rosario; GARCIA CUE, José Luis; VALLE PANIAGUA, David H. del  and  MEDINA RAMIREZ, Reyna Carolina. Prototype of a learning objects management system for agricultural sciences (SIGEOACA). Rev. Mex. Cienc. Agríc [online]. 2017, vol.8, n.1, pp.27-38. ISSN 2007-0934.