SUPRIHATININGSIH, Wiwit; PRIYANTO, Arief; NURATO, Nurato; CHAIRAT, Arief Suardi Nur; PRUMANTO, Denny. Impact of Extended Intervals on Diesel Engine Performance with 15W-40 DH1 Lubricant Oil. International Journal of Innovation in Mechanical Engineering and Advanced Materials, Jakarta, Indonesia, v. 6, n. 2, p. 85–91, 2024. DOI: 10.22441/ijimeam.v6i2.25014. Disponível em: https://training-ojs3-publikasi.mercubuana.ac.id/index.php/ijimeam/article/view/25014. Acesso em: 28 may. 2026.