(3GdGbJUGO GdSjGSi (B: s (3ebOeI(B.(3GdeTcdI GdGbJUGOjI hGdJUQa GdGbJUGOi GdHfjGf GdGbJUGOi(B. (3GdGfJGL (B/ s (3GdLRA GdChd (B/s - (3QaYJ GdeMLhH(B.s ((3eUQ (B:s (3OGQ GdfgVI GdYQHjI,s, 1979)
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
(3HHdjhLQGajG(B: (3UaMGJ(B633-641.s
Keywords: (3GdGbJUGO(B.s