Jumain Jalil, M. et al. 2018. Selective Epoxidation of Crude Oleic Acid-Palm Oil with in situ Generated Performic Acid. International Journal of Engineering & Technology. 7, 4.40 (Dec. 2018), 152–155. DOI:https://doi.org/10.14419/ijet.v7i4.40.24423.