A. G. Z. Cobos, M. A. Pinos, L. A. Calle, J. C. Tapia, M. Martinez, and P. Caballero, “Optimization of Conditions to Produce Biogas Methane from Dog Feces by Anaerobic Digestion: Systematic Re-view and Technological Perspectives”, JoPH, vol. 5, no. 6, pp. 1416–1430, May 2025.