Safrina Hapsari, Hakun Wirawasista Aparamarta, Nurul Jadid, and Setiyo Gunawan, “Extraction of Coumarin Mixture from Tamanu Oil using Food-Grade”, J. Adv. Res. Fluid Mech. Therm. Sc., vol. 111, no. 2, pp. 1–15, Nov. 2023.