IZAR LANDETA, Juan Manuel; VILLALÓN PIÑA, Olga Edith; RUIZ AGUILAR, Javier. How variance affects a project’s timeframe and costs. HITOS DE CIENCIAS ECONÓMICO ADMINISTRATIVAS, [S. l.], v. 32, n. 93, p. 165–182, 2026. DOI: 10.19136/hitos.a32n93.6397. Disponível em: https://revistahitos.ujat.mx/hitos/article/view/6397. Acesso em: 12 may. 2026.