“Purification of Biodiesel via Nanofluid Using Liquid-Liquid Extraction in a Membrane Contactor : Purification of Biodiesel”. Tikrit Journal of Engineering Sciences 30, no. 1 (March 11, 2023): 54–65. Accessed November 6, 2026. https://em.tj-es.com/ojs/index.php/tjes/article/view/964.