Onen, A. I. ., Wakil, B. ., & Akan, J. C. . (2025). POTENTIAL OF MAGNETIC SAND AS CATALYST FOR THE HETEROGENEOUS TRANSESTERIFICATION OF Ziziphus abyssinica SEED OIL TO BIODIESEL . Journal of Chemical Society of Nigeria, 50(4). https://doi.org/10.4314/jcsn.v50i4.2