Sagadevan, Suresh, Amri Yahya, and Is Fatimah. 2021. “Microwave and Ultrasound Irradiations for the Intensification on Biodiesel Productions: A Mini Review”. EKSAKTA: Journal of Sciences and Data Analysis 2 (2):124-35. https://doi.org/10.20885/EKSAKTA.vol2.iss2.art6.