Yacob, A. R., Hanapi, S. Z., & Inderan, V. (2009). Nano tungsten carbide supported on carbon from palm kernel shell in remediation of chlorofluorocarbon (CFC-12). Institute of Electrical and Electronics Engineers.

Yacob, Abdul Rahim, Siti Zubaidah Hanapi, and Vicinivarri Inderan. Nano Tungsten Carbide Supported On Carbon From Palm Kernel Shell in Remediation of Chlorofluorocarbon (CFC-12). Institute of Electrical and Electronics Engineers, 2009.

Yacob, Abdul Rahim, Siti Zubaidah Hanapi, and Vicinivarri Inderan. Nano Tungsten Carbide Supported On Carbon From Palm Kernel Shell in Remediation of Chlorofluorocarbon (CFC-12). Institute of Electrical and Electronics Engineers, 2009.