Matovelle Bustos, C.M. and Matovelle Romo, M.M. 2018. Anaerobic biological treatments of organic waste as an alternative for energy sustainability in Andean areas - Ecuador. Killkana Social. 2, 3 (Oct. 2018), 95–100. DOI:https://doi.org/10.26871/killkanasocial.v2i3.328.