Tokutei nōsan kakōgyō taishitsu kyōka jigyō (Tokutei nōsan kakōgyō keiei kaizen rinji sochihō) kankei shiryōshū
Publisher: Hokkaidō Nōseibu Nōsan Ryūtsūka
Published: 1990
Place of publication: [Sapporo-shi]
Language: jpn
Number of pages: 161