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Susilawati Kasim, Osumanu Haruna Ahmed, Nik Muhamad Ab. Majid and Mohd Khanif Yusop
American Journal of Applied Sciences 5 ( 12 ): 1812 - 1815 , 2008
Makilan Muniandy, Osumanu Haruna Ahmed, Nik Muhamad Ab. Majid and Mohd Khanif Yusop
American Journal of Environmental Sciences 5 ( 3 ): 406 - 412 , 2009
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International Journal of Soil Science 9 ( 3 ): 133 - 141 , 2014