(3aj Gdfeh GdfaSj (B: s (3GQGA hfXQjGJ (B/s - (3YjSi, eMeO Qabj s ((3GdbGgQI(B[(3eUQ(B] :s (3OGQ GdeYGQa, s, 1981)
(3jMJhj Ydi agQS aj fgGjI GdcJGH s
Keywords: (3Yde GdfaS GdJQcjHj s