(3GdNUhUjI ai YUQ GdeYdheGJ (B/ s - (3cjJ, aQjO g`s; (3eMeO eMehO TgGHs ((3GdbGgQI (B: s (3eQcR GdGgQGe ddJQLeI hGdfTQ , s, 1999)
Keywords: (3Mbhb GdJCdja hGdfTQs; (3THcGJ GdecJHGJ hGdeYdheGJs; (3KhQI GdeYdheGJs; (3GdedcjI GdGOHjI hGdafjIs