Moshi mo sekyū ga nakunattara?
Subtitle: enerugī to sangyō
By: chosha Watanabe Chihiro.
Series: Kyōkasho ni detekuru sangyō to keizai -- 9
Publisher: Popurasha
Published: 1990
Place of publication: Tōkyō
Language: jpn
Number of pages: 47
Subjects: Power resources -- Juvenile literature.; Power resources.
Genres: Juvenile literature.