(3GdHfc GdCgdj GdeUQj(B.s (3GdeLdO GdhGMO hGdCQHYhf (B- (3GdYOO GdQGHY (B/s ((3GdbGgQI (B:s (3GdfTQI GdGbJUGOjI(B-(3EOGQI GdHMhK GdGbJUGOjI GdYGeI,s, 1988)
(3Cge GdJTQjYGJ NdGd GdaJQI CcJhHQ(B/(3OjSeHQ (B1988.s
(3GdeLdO GdhGMO hGdCQHYhf, GdYOO GdQGHY (B1988s
Keywords: (3GdeGdjI GdYGeI hGdJTQjY GdVQjHjs -- (3OhQjGJs