Widjaja T, Iswanto T, Altway A, Shovitri M, Juliastuti S. Methane Production from Coffee Pulp by Microorganism of Rumen Fluid and Cow Dung in Co-digestion. Chemical Engineering Transactions [Internet]. 20Mar.2017 [cited 17Jul.2024];56:1465-70. Available from: https://www.cetjournal.it/index.php/cet/article/view/CET1756245