IQBAL, Zafar; AKHTER, Mubeen; SABRI, Muhammad Usman; MOEN-UD-DIN. Comparative Studies of Used and Fresh Lubricating Oil. European Journal of Applied Sciences, [S. l.], v. 10, n. 6, p. 570–576, 2022. DOI: 10.14738/aivp.106.13413. Disponível em: https://scholarpublishing.org/journals/index.php/EJAS/article/view/8398. Acesso em: 30 may. 2026.