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
M.B. Abro, Z.A. Abbasi, S.A. Maitlo, N.D. Maitlo, A.G. Bhatti and N.A. Panhwar
Journal of Applied Sciences 2 ( 7 ): 781 - 782 , 2002