(3CMcj dce WahdJj jG UZGQ (B: s (3eSdSd ZfGFj eSQMj ddCWaGd (B/ s - (3GdYjSi, SdjeGfs ((3YeGf (B:s (3OGQ GdMceI,s, 1993)
Keywords: (3GdeSQMjI GdYQHjIs; (3ShQjGs; (3eSQM GdCWaGds; (3eQMdI CWaGd eJhSWI (B(6-9)(3SfhGJs