S.M. Iqbal, A. Bakhsh, A. Ghafoor, N. Ayub and M. Bashir
Plant Pathology Journal 2 ( 1 ): 39 - 47 , 2003
S.M. Iqbal, A. Ghafoor, M. Arshad and M. Bashir
Plant Pathology Journal 2 ( 2 ): 107 - 110 , 2003