angky, puspawan, Agustin, A. G., Fepy, F. S. and Hardiansyah, H. (2024) “Introduction of Engine Oil to Villagers”, Dharmakayana, 1(2), pp. 52–56. Available at: https://ejournal.unib.ac.id/dharmakayana/article/view/38916 (Accessed: 21 April 2025).