1) https://quizlet.com/327656787/metodo-simplex-m-grande-y-dos-fases-flash-cards/?new&fbclid=IwAR0I1YpohXOQHH3eW4-ulUTG4gpu5ZN2htOsNgUaLCpUlBUquMTQxeaUxlU
2) https://es.educaplay.com/es/recursoseducativos/4048907/metodos_de_programacion_lineal.htm?fbclid=IwAR2ua3sfjCaeTqMz1JhjFqcaG6ObpBiMLuqr-W-BGTOdbDH-b8frbJz_azA
