«Innovation measure in marble companies located in the Tepeaca and Tecali de Herrera municipalities in the State of Puebla». Coloquio Interdisciplinario de Posgrado UPAEP 1, no. 9 (enero 1, 2022). Accedido octubre 29, 2026. https://cipu.upaep.mx/index.php/cipu/article/view/737.