Indoneshia keizai no rironteki bunseki /

by Gelderen, J. van
Tōkyō : Kokusai Nihon Kyōkai, 1942

Indoneshia keizaishi gaisetsu /

by Gonggryp, G. F. E. (George François Elbert), 1878-
Tōkyō : Kōkoku Seinen Kyōiku Kyōkai, 1943