Prayitno, Sutrisno, 		Utami, Dwi, 		Patria, Domas, 		Antrisna Putri, Silvy, 		Ningrum, Sugiyati, 		Jumadi, Rahmad, AND 		Al Fatina, Ainanda.
" GOOD MANUFACTURING PRACTICES (GMP) PRODUKSI TEH HITAM (BLACK TEA) DI PTPN XII MALANG JAWA TIMUR" <em>JUSTI (Jurnal Sistem dan Teknik Industri)</em> [Online], Volume 3 Number 3 (29 April 2023)