M. Ibrahim, U., I. Ahmed, S., Gutti, B., M. Muhammad, I., D. Hamza, U., & D. Ibrahim, M. (2018). Biogas Production from Combined Irish Potato and Poultry Wastes: Optimization and Kinetic Studies. International Journal of Engineering & Technology, 7(3.36), 170-175. https://doi.org/10.14419/ijet.v7i3.36.29206