Furi, Mustika, Rahma Dona, & Vincent Tristan. " Determination of Vitamin E Levels in n-Hexane Extract of Palm Fruits (Elaeis guineensis Jacq) and CPO (Crude Palm Oil) using HPLC Method." JURNAL ILMU KEFARMASIAN INDONESIA [Online], 20.1 (2022): 49-54. Web. 23 Dec. 2024