Adilah Shariff and  Nurhidayah Mohamed Noor and  Alexander Lau and  Muhammad Azwan Mohd Ali,  A Comparative Study on Biochar from Slow Pyrolysis of Corn Cob and Cassava Wastes.   journal   = {International Journal of Biotechnology and Bioengineering}, [online]. World Academy of Science, Engineering and Technology.
    October 2016, vol. 120(12). 767 - 771
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