N. Alwaaritsy and A. . Romadan, “Potential and Challenges of Biofuels from Keruing (Dipterocarpus spp.) to Support Sustainable Fuel Transition in the Transportation Sector”, J. Ilmu. Pertan. Indones., vol. 30, no. 2, pp. 430–440, Mar. 2025, doi: 10.18343/jipi.30.2.430.