(3TQM GdUOhQ aj CMhGd GdehJi hGdbHhQ (B/s - (3GdLdGd GdSjhWj, YHO GdQMef Hf CHj HcQ Hf eMeO,s 849-911 (3gLQjG(B.s ((3GdeOjfI GdefhQI (B:s (3eWGHY GdQTjO ,s, 1983)
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
Keywords: (3SDGd GdbHQ hYPGHgs; (3GdhYX hGdEQTGOs; (3GdehJ (B((3ESdGe(B)s