[13] CARMEN MATEESCU, Influence of the Hydrostatic Pressure on Biogas Production in Anaerobic Digesters, Romanian Biotechnological Letters, 21(5): 11941-11948 (2016).
[17] Faatihatur R. Silmi, M. Ramdlan Kirom, A. Qurthobi, “Analysis of the Influence of Internal Pressure Control to the Total GasProduction in Anaerobic Digester”, Engineering Physics International Conference, EPIC 2016, Procedia Engineering, 170: 467 - 472 (2017).
[19] Shiplu Sarker, Jacob J. Lamb, Dag R. Hjelme and Kristian M. Lien, A Review of the Role of Critical Parameters in the Design and Operation of Biogas Production Plants, Appl. Sci., 9: 1915; doi:10.3390/app9091915 (2019).
[27] موسسه استاندارد و تحقیقات صنعتی ایران، "کمپوست-نمونهبرداری و روشهای آزمون فیزیکی و شیمیایی"، استاندارد ملی ایران 13320، چاپ اول.
[29] Agbede O.O., Aworanti O.A., Osuolale F.N., Adebayo A.O., Ogunleye O.O., Agarry S.E., Babatunde K.A, Anaerobic Conversion of Biodegradable Municipal Solid Waste to Biogas: A Review, Journal of Civil and Environmental Studies, 3(1): (2019).