PUTRA, Theo Agytha. Comparison Analysis of Quality of Ax-7 Advance Shelling Lubricants and Pertamina Enduro Racing Lubricants on Kawasaki Ninja 250cc Injeksi Motor. Jurnal Teknik Mesin (Journal Of Mechanical Engineering), Jakarta, Indonesia, v. 7, n. 3, p. 113–118, 2018. DOI: 10.22441/jtm.v7i3.4033. Disponível em: https://publikasi.mercubuana.ac.id/index.php/jtm/article/view/4033. Acesso em: 3 jun. 2026.