Safrina Hapsari, Hakun Wirawasista Aparamarta, Nurul Jadid, and Setiyo Gunawan. 2023. “Extraction of Coumarin Mixture from Tamanu Oil Using Food-Grade”. Journal of Advanced Research in Fluid Mechanics and Thermal Sciences 111 (2):1-15. https://doi.org/10.37934/arfmts.111.2.115.