1.
Purwanto CV, Wagiman W, Jumeri J. Effect of Addition of Palm Oil Empty Bunch Ash on Biogas Production from Palm Oil Mill Effluent. ATJ [Internet]. 2023 Dec. 15 [cited 2026 Jul. 23];7(2):18-27. Available from: https://atj.journal.unida.gontor.ac.id/index.php/atj/article/view/78