Biodiesel production from hempseed (Cannabis sativa L.) oil: Providing optimum conditions by response surface methodologyCemal Yazilitaş, Zeki Yilbaşi and Murat Kadir YeşilyurtSci. Tech. Energ. Transition, 79 (2024) 11DOI: https://doi.org/10.2516/stet/2024006