Ichu Chigozie B., NwakanmaHenry O., and Agulanna Albert C. “Determination of Alkali and Alkaline-Earth Metal Content of Bio-Diesel Produced from Palm Oil, Palm Kernel Oil and Neem Seed Oil Feed Stocks”. International Journal of Research in Informative Science Application & Techniques (IJRISAT) 3, no. 3 (March 5, 2019): 15–21. Accessed November 25, 2024. https://grpublication.com/index.php/ijrisat/article/view/67.