Murachman B, Sarjono S, Afandi F, Khaeri J. Optimization Study of the Solid Propellant (Rocket Fuel) Based on Extracted Bitumen of Indonesian Natural Buton Asphalt. [Internet]. 31 Desember 2013 [dikutip 8 Juni 2025];13(2):57-2. Tersedia pada: https://journal.ugm.ac.id/v3/AJChE/article/view/8160