林業改良普及事業
By: [henshū Rinʾyachō (Shidōbu) Kenkyū Fukyūka]
Publisher: Rinʾyachō Kenkyū Fukyūka
Published: 1953
Place of publication: Tōkyō
Language: jpn
Number of pages: 17
Subjects: Forestry schools and education; Forestry extension
Other titles: Ringyō kairyō fukyō jigyō
Notes: Cover title.