(3adSaI GddZI YfO GdaGQGHi (B/ s - (3RjfH Yajais; (3YGWa GdYQGbis ((3GdbGgQI (B: s (3OGQ bHGA ddWHGYI hGdfTQ hGdJhRjY , s, 1997)
Keywords: (3GdadSaI GdGSdGejIs; (3GdMQcGJ GdacQjI YfO GdeSdejfs; (3GdadGSaI GdeSdehfs; (3GdaGQGHis; (3GddZI (B- (3adSaIs; (3GHhfUQs