(3GdQUGU aj LGRhdjf GdSjGQGJ h WQb JNajVg (B/ s - (3GdJcQjJj, YHO GdEdg eUdMs; (3ESeGYjd, ESeGYjd QTjOs ((3GdchjJ (B:s (3efXeI GdCbWGQ GdYQHjg GdeUOQg ddHJQhd,s, 1986)
Keywords: (3GdQUGUs; (3GdJdhKs