(3GdeMJhi GdKbGai ddajde GdeUQi (B/ s - (3MLGH (B: (3eMeO efjQ s ((3WfWG(B: s (3GdecJHI GdbhejI GdMOjKI(B: s, 1987)
(3jTJed Ydi GQLGYGJ HHdjhLQGajIs
Keywords: (3GdSjfeG h GdKbGaIs; (3GdSjfeGs -- (3fbOs; (3GdSjfeGs -- (3eUQs; (3GdSjfeGs -- (3eUQs -- (3GdKbGaIs