(3GdQTGbI ddaJjGJ (B/s - (3YGQa, CejQI QTGOs ((3LOI, GdSYhOjI (B:s (3CejQI eMeO QTGO YGQa,s, 1997)
(3ehLg ddaJjGJ(B.s
Keywords: (3GdCdYGH GdQjGVjI ddeQCIs; (3GddjGbI GdHOfjI ddeQCIs