(3JQcjG GdeJZjQI (B: s (3JHMK Yf KhH LOjO (B/ s - (3cQGeQ, gGjfJSs ((3GdQjGV (B: s (3ecJHI GdYHjcGf , s, 2001)
Keywords: (3GdSjGSI GdNGQLjIs; (3JQcjG (B- (3JGQjN (B- (3GdYUQ GdMOjKs; (3JQcjG (B- (3GdGMhGd GdSjGSjIs