Ambar Pertiwiningrum, Margaretha Arnita Wuri, Dina Setiyana, Benito Heru Purwanto, Andang Widi Harto and Misri Gozan 2020. EVALUATION OF METHANE AND CARBON DIOXIDE EMISSIONS FROM LIVESTOCK WASTE, COMPOST, AND BIOGAS SLUDGE. GEOMATE Journal. 18, 68 (Apr. 2020), 35–40.