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M.H. Khan, G. Hassan, N. Khan and M.A. Khan
Asian Journal of Plant Sciences 2 ( 3 ): 254 - 256 , 2003
N. Khan, G. Hassan, K.B. Marwat and M.A. Khan
Asian Journal of Plant Sciences 2 ( 3 ): 310 - 313 , 2003
N. Persaud, G. Hassan, W.D. Joshua and D. Lesolle
International Journal of Agricultural Research 2 ( 3 ): 193 - 210 , 2007
M. Sadiq, G. Hassan, G.A. Chaudhry, N. Hussain, S.M. Mehdi and M. Jamil
Journal of Agronomy 2 ( 3 ): 138 - 145 , 2003
G. Hassan, R. B. Reneau, Jr., C. Hagedorn and A. R. Jantrania
Journal of Environmental Quality 37 ( 5 ): 1937 - 1948 , 2008