(3GdSeGJ GdMVGQjI ai TYQ GdGYTi (B: s (3OQGSI dZhjI h MVGQjI (B/ s - (3RjfH YHO GdYRjR GdYeQis ((3GdQjGV (B: s (3eWGHY OGQ GdgdGd ddGhaSJ , s, 1983)
Keywords: (3GdTYQ GdYQHis; (3GdTYQ GdYQHi (B- (3JGQjN hfbOs