Neural network study for the subject demand forecasting by Terán-Villanueva, Jesús David, Ibarra-Martínez, Salvador, Laria-Menchaca, Julio, Castán-Rocha, José Antonio, Treviño-Berrones, Mayra Guadalupe, García-Ruiz, Alejandro Humberto, Martínez-Infante, José Eduardo