Toride iseki
Subtitle: ken'ei hojō seibi jigyō keinan chiku jigyō ni tomonau kinkyū hakkutsu chōsa hōkokusho
By: Enashi Kyōiku Iinkai [hen]
Series: Enashi bunkazai chōsa hōkokusho -- 16; Enashi bunkazai chōsa hōkokusho -- 16.
Publisher: Enashikyōikuiinkai
Published: 1982
Place of publication: Ena
Language: jpn
Number of pages: 83