Enerugī ketsugō keizai no hatten to kakukoku no enerugī seisaku
By: Denki Kyōkai Chōsabu hen
Series: Denki jigyō shiryō -- no. 60
Publisher: Denki Kyōkai
Published: 1939
Place of publication: Tōkyō
Language: jpn
Number of pages: 34