Trifiananto, M., and I. Hardiatama. “EFEK PEMASANGAN ISOLATOR TERHADAP KONSUMSI BAHAN BAKAR LPG MESIN SANGRAI BIJI KOPI INDUSTRI KECIL”. SINTEK JURNAL: Jurnal Ilmiah Teknik Mesin, vol. 12, no. 2, Dec. 2018, pp. 100-6, https://jurnal.umj.ac.id/index.php/sintek/article/view/3417.