The Bovine leather skin substance analysis at different levels of concentrations of hydrolyzing agents in the liming and calera (D. A. Aguilar Granda, M. M. PARADA RIVERA, R. A. CAZAR RAMÍREZ, & A. I. TAPIA BORJA, Trans.). (2021). Revista EIA, 19(37), 37008 pp. 1-16. https://doi.org/10.24050/reia.v19i37.1493