Nōson Kōreisha tō rōryoku katsuyō sokushin jigyō jissekisho
Series: Fukyū shiryō -- no. 604
Publisher: Aichi-ken Nōgyō Suisanbu Nōgyō Gijutsuka
Published: 1989
Place of publication: [Nagoya-shi]
Language: jpn
Number of pages: 110