6 1 10 Stringer, E. T. Additional Author عطاءالحق قاسمی Additional Author mixed material Stringer, E. T. Additional Author عطاءالحق قاسمی Additional Author mixed material Stringer, E. T. Additional Author Allama Iqbal Open University- Islamabad Additional Author mixed material 716702428 Stringer, E. T. Additional Author Allama Iqbal Open University- Islamabad Additional Author mixed material 716702509 Stringer, E. T. Additional Author شفیع ، مفتی محمد Additional Author mixed material Stringer, E. T. Additional Author شفیع ، مفتی محمد Additional Author mixed material