Ahmad, F. H., Ibrahim, N., Mahmud, M. S., Hasan Alhadadi, W. A. M., Salleh, S., & Nurdin, S. (2021). MICROWAVE IRRADIATION OPTIMIZATION FOR EFFICIENT LIGNIN REMOVAL FROM COCOA SHELL WASTE USING ALKALI . IIUM Engineering Journal, 22(2), 21–30. https://doi.org/10.31436/iiumej.v22i2.1608