Pangaribuan, Ivan, AND 		Sianipar, Muara.
" RANCANG BANGUN MESIN SCREW PRESS ASIL MINYAK GORENG KELAPA (COCONUT OIL) KAPASITAS 18 KG/JAM" <em>Jurnal Teknologi Mesin UDA</em> [Online], Volume 2 Number 1 (30 June 2021)