(3SdSdI bUI eKd (B\ (3OafGg ShG (B- (3ai GdeTeT (B- (3YOe eGdg ef Mce GdfGS ai MGdg (B- (3Ghd GdWQM fWM (B- (3ZQGH GHf ZQGH (B- (3dSGfc MUGfc (B- (3GNQ NOeI GdZR YdbI (B/ s - (3eMeO eGgQ bGHjds ((3GdbGgQI (B: s (3OGQ GdacQ GdYQHi , s, 1991)
Keywords: (3GOH GdGWaGds; (3GdGeKGd GdTYHjIs