Mohtar, S. S., Tengku Malim Busu, T. N. Z., Md. Noor, A. M., Shaari, N. L. A., Yusoff, N. A., Bustam Khalil, M. A., . . . Mat, H. (2015). Extraction and characterization of lignin from oil palm biomass via ionic liquid dissolution and non-toxic aluminium potassium sulfate dodecahydrate precipitation processes. Elsevier.

Mohtar, Samia S., T. N. Z. Tengku Malim Busu, A. M. Md. Noor, Nursyamimi Latif A. Shaari, Norazila A. Yusoff, M. A. Bustam Khalil, Mohamed Ibrahim Abdul Mutalib, and Hanapi Mat. Extraction and Characterization of Lignin From Oil Palm Biomass Via Ionic Liquid Dissolution and Non-toxic Aluminium Potassium Sulfate Dodecahydrate Precipitation Processes. Elsevier, 2015.

Mohtar, Samia S., et al. Extraction and Characterization of Lignin From Oil Palm Biomass Via Ionic Liquid Dissolution and Non-toxic Aluminium Potassium Sulfate Dodecahydrate Precipitation Processes. Elsevier, 2015.