A Virtual corporate training through e-learning platforms for the personnel of a refinery of the National Refining System of PEMEX in Mexico: Virtual corporate training through e-learning platforms. - Berenice Martínez-Pérez; Karla Martinez Tapia; Mayra Lorena Gonzalez Mosqueda; Eric León Olivares; Eric Simancas-Acevedo; Katia Lorena Aviles-Coyoli (Int. J. Comb. Optim. Probl. Informatics, 2024)