«Innovation measure in marble companies located in the Tepeaca and Tecali de Herrera municipalities in the State of Puebla» (2022) Coloquio Interdisciplinario de Posgrado UPAEP, 1(9). Disponible en: https://cipu.upaep.mx/index.php/cipu/article/view/737 (Accedido: 29 octubre 2026).