Kusbianto, Dwi Erwin, Listya Purnamasari, dan Himmatul Khasanah. “Enrichment Pupuk Organik Asal Kotoran Ternak Di CV Gumukmas Multi Farm Jember”. Jurnal Pengabdian Magister Pendidikan IPA 4, no. 4 (Desember 10, 2021): 478–481. Diakses November 22, 2024. https://jppipa.unram.ac.id/index.php/jpmpi/article/view/1062.