(3GdLedI GdaYdjI HSjWI hehSYI (B( (3OQGSI JWHjbjI Ydi TYQ GdeJfHi (B) / s - (3Rjf cGed GdNhjScis; (3eMeO eUWai gOGQIs ([ (3GdGScfOQjI (B] : s (3eDSSI THGH GdLGeYI ,s, 1987)
Keywords: (3GdTYQ GdYQHis; (3GdfMhs; (3GddZI GdYQHjIs; (3GdeJfHi(B, (3GHh GdWjHs; (3GdLedI GdaYdjIs; (3GdGSJagGes; (3Gdfais