O, O. D., E, E. lyoha ., D, M. O., F, O. O., P, C. . C. and K., O. . (2021) “The Use of Natural Rubber Leaves, Seeds, Vegetable Clippings and Animal Droppings as Materials for Biogas Production”, The International Journal of Science & Technoledge, 9(5). doi: 10.24940/theijst/2021/v9/i5/ST2105-004.