M.M. Taha O, S. Tawfiq K, M. Jarullah M. Jarullah S. Preparation of biodiesel fuel from Urtica dioica seeds oil and study different Properties. EDUSJ [Internet]. 2019 Dec. 1 [cited 2025 Aug. 6];28(4):33-47. Available from: https://ojs.uomosul.edu.iq/index.php/edusj/article/view/23263