M.B. Abro, Z.A. Abbasi, S.A. Maitlo, M.M. Sario, A.G. Bhatti and A.G. Bhatti
Journal of Applied Sciences 2 ( 6 ): 628 - 630 , 2002
Z.A. Abbasi, M.B. Abro, S.A. Buriro, S.A. Maitlo, M.M. Sario and A. N Jilliani
Journal of Applied Sciences 2 ( 3 ): 327 - 328 , 2002