NDYAR, G. T., & ABDULLAHI , A. (2025). AN EVALUATION OF YELLOW OLEANDER (THEVETIA PERUVIANA) SEED OIL AS A CUTTING LUBRICANT USING THE EXAMPLE OF MEDIUM CARBON STEEL FOR TURNING ON THE LATHE MACHINE. Journal of Engineering Studies and Research, 30(3), 26-35. https://doi.org/10.29081/jesr.v30i3.003