Dilruba Khanam and Shohrab Hussain Khan
Pakistan Journal of Social Sciences 3 ( 3 ): 530 - 533 , 2005
Shohrab Hussain Khan, Md. Sogir Hossain Khandoker and Mst. Dilruba Khanam
Pakistan Journal of Social Sciences 3 ( 4 ): 636 - 642 , 2005