Sukirno, Sukirno, Cleo, and Devan. 2024. “Sulphurization of Kapok (Ceiba Pentandra ) Seed Oil via H2S Bubbling Under UV Radiation and The Product’s Performance As Extreme Pressure Additives for Lubricant”. ASEAN Journal of Chemical Engineering 24 (3), 365-72. https://doi.org/10.22146/ajche.17735.