(3GdJPcQI ai Yde GdgjFI eY OQGSI dGSgGeGJ GdWhSi GdadcjI (B/ s - (3fUjQ GdOjf GdWhSi s; (3YHGS SdjeGfs ((3GdchjJ (B:s (3OGQ SYGO GdUHGM ,s, 1993)
Keywords: (3GdMVGQI GdYQHjI GdGSdGejI (B- (3GdeYGQa GdHMQjIs; (3Gdadcs; (3GdYdhe YfO GdYQHs; (3GdMVGQI GdGSdGejIs; (3GdWhSi s; (3GdYdeGA GdYQHs