Abdulkareem, Bello, Bashar Dan-asabe, and Abdullahi Abdullahi. “Development of Cutting Fluid and Optimization of Its Cutting Speed from Thevetia Peruviana Seeds Oil”. Jurnal Mekanikal 42, no. 2 (December 31, 2019). Accessed June 7, 2025. https://jurnalmekanikal.utm.my/index.php/jurnalmekanikal/article/view/391.