(3GSJQGJjLjI GdKQhI(B: (3OQGSI ai GdKQhGJ GdWHjYjI ai GdhWf GdYQHi (B/ s - (3SejQ eMehO hGdis ((3GdbGgQI (B: s (3eWHYI GdeOfi , s, 1994)
Keywords: (3GdYGde GdYQHis; (3GdKQhI GdeYOfjIs