Biodiesel Production Catalysed by Magnetic Palm Kernel Shell-Potassium HydroxideMohd Nurfirdaus Bin Mohiddin, Yie Hua Tan, Loshinie A/P Periasamy, Jibrail Kansedo, N.M. Mubarak, Yen San Chan, Mohammad Omar Abdullah and Keat Teong LeeMATEC Web Conf., 377 (2023) 01012DOI: https://doi.org/10.1051/matecconf/202337701012