Ahmad, N., K. Khaerudin, J. Jupriyanto, A. Haryanto, and R. Putra. “Contribution of B35 Biodiesel to Indonesia’s Renewable Energy Target and Challenges for B40 Implementation”. MOTIVECTION : Journal of Mechanical, Electrical and Industrial Engineering, Vol. 7, no. 3, Sept. 2025, pp. 291-02, doi:10.46574/motivection.v7i3.473.