(3WdhY GdKQjG HEXgGQ eG cGf NajG (B/s - (3GdLdGd GdSjhWj, YHO GdQMef Hf CHj HcQ Hf eMeO,s 849-911 (3gLQjG(B.s; (3MSjf, YUGe GdOjf Hf ZdGes; (3GdObGb, CMeO jhSas ((3OeTb (B:s (3OGQ GdKbGaI GdYQHjI,s, 1994)
(3jTJed Ydi agGQS HGdehGO GdhGQOI Hg(B.s
Keywords: (3GdMOjKs -- (3CMcGes; (3GdKhGH hGdYbGHs; (3GdLfIs; (3jhe GdbjGeIs; (3GdMOjKs -- (3ESfGOs