(3GdeGQcSjI hGdJMdjd GdfaSj (B/ s - Osborn, Reuben, 1908-; (3GdTQbGhj, SYGO, s; (3RjhQ, eUWai, s 1907-1990(3, s ((3GdbGgQI, eUQ (B: s (3OGQ GdeYGQa (B972.s, 1972)
(3GdfU HGddZI GdYQHjI eJQLe ef GddZI GdGfLdjRjI(B.s
Keywords: (3GdJMdjd GdfaSj(B.s; (3GdeGQcSjIs -- (3adSaI(B.s