J.N. Sharma, P.K. Sharma and S.K. Rana
Applied Mathematical Modelling 35 ( 1 ): 317 - 327 , 2011
Chandra Mohan Singh, P.K. Sharma, Prem Kishor, P. K. Mishra, A.P. Singh, Rajhans Verma and P. Raha
Asian Journal of Agricultural Research 5 ( 1 ): 76 - 82 , 2011
S. Bazgeer, R.K. Mahey, S.S. Sidhu, P.K. Sharma, A. Sood, A.M. Noorian and Gh. Kamali
Journal of Applied Sciences 8 ( 3 ): 510 - 515 , 2008