Fadel, Irfan, 		Madrini, Ida Ayu Gede, AND 		Sumiyati, Sumiyati.
" Pengaruh Penambahan EM-4 Terhadap Kualitas Pupuk Kompos Kotoran Gajah" <em>Jurnal BETA (Biosistem dan Teknik Pertanian)</em> [Online], Volume 9 Number 1 (30 April 2021)