Sitohang, Jendri, 		Sidabutar, James, 		Hasballah, T, AND 		Siahaan, Enzo.
" ANALISA UJI PRODUKTIVITAS MESIN PERATA TEPI BATU BATA  KAPASITAS 250 BB/JAM" <em>Jurnal Teknologi Mesin UDA</em> [Online], Volume 5 Number 1 (10 June 2024)