F.C. Oad, M.A. Samo, A. Soomro, D.L. Oad, N.L. Oad and A.G. Siyal
Journal of Applied Sciences 2 ( 1 ): 1 - 9 , 2002
F.C. Oad, D.L. Oad, A. Soomro, M.A. Samo, N.L. Oad and Z.A. Abro
Journal of Applied Sciences 1 ( 3 ): 353 - 355 , 2001