“FACTORIAL DESIGN AND SURFACE METHOD TO OPTIMIZE ETHYLIC BIODIESEL PRODUCTION FROM CHICKEN WASTES: Original Scientific Paper”. Chemical Industry & Chemical Engineering Quarterly 27, no. 2 (July 14, 2021): 155–163. Accessed April 4, 2025. https://www.ache-pub.org.rs/index.php/CICEQ/article/view/838.