(3GdGMcGe GdbGfhfjI dJedc ZjQ GdehGWfjf GdYbGQGJ aj Ohd GdNdjL (B/s - (3HOQ LGSe GdjYbhHs; (3LGeYI GdbGgQIs (3cdjI GdMbhbs ((3GdbGgQI(B:s (3cdjI GdMbhb(B-(3LGeYI GdbGgQI,s, 1987)
1
Keywords: (3GdbGfhf GdOhdjs; (3eLdS GdJYGhf GdNdjLjs; (3GdOhd GdYQHjIs; (3GdLeghQjI GdYQGbjIs; (3GLQGAGJ GdJSLjds; (3GdLeghQjI GdYQHjI GdShQjIs; (3bhGYO efM GdJQGNjUs; (3GdHMQjfs; (3OhdI GdchjJs; (3GdLeghQjI GdYQHjI GdjefjIs