Rahmandika AJP, Anggoro ARV, Fikri M, Padmasari R, Sakinah Y, Puspitawati IN. The Efficiency of Producing Biodiesel from Used Cooking Oil by Precipitating Blood Cockles Shell Waste with a CaO Catalyst. Nusantara Sci. Tech. Proc. [Internet]. 2023 Dec. 15 [cited 2025 Jun. 28];2023(36):68-72. Available from: https://nstproceeding.com/index.php/nuscientech/article/view/1049