(3eLdI GdYed GdYQHjI(B.s (3GdYOO GdYGTQ (B/s ((3GdbGgQI (B:s (3efXeI GdYed GdYQHjI,s, 1977)
(3GdGYdGe GdYeGdi hGdJfejI GdbhejI (B/ s (3Hbde (B: (3ceGd GdHUGe(B. s
(3GdYOO GdYGTQ OjSeHQ (B1977s
Keywords: (3GdeGdjI GdYGeI hGdJTQjY GdVQjHjs -- (3OhQjGJs