Verdezoto del Salto, Luis, et al. “Implementation of Anaerobic Tubular Biodigesters, As a Self-Sustainability Tool for the Production of Biogas and Biol in the Guaranda Canton, Bolívar Province, Ecuador”. Tesla Revista Científica, vol. 3, no. 1, Jan. 2023, p. e98, https://doi.org/10.55204/trc.v3i1.e98.