Lami, M., & Chimdessa, M. (2017). Biogas Production from Co-Digestion of Poultry Manure and Orange Peel through Thermal Pre-Treatments in Batch Fermentation. American Scientific Research Journal for Engineering, Technology, and Sciences, 38(2), 226–246. Retrieved from https://asrjetsjournal.org/index.php/American_Scientific_Journal/article/view/3563