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