Mekongawa karyūiki ni okeru kangai nōgyō no hatten no tame ni
Subtitle: Bienchan seminā ni tsuite no tōgishū
Series: Gijutsushitsu shiryō -- no. 6
Publisher: Kaigai Gijutsu Kyōryoku Jigyōdan
Published: 1966
Place of publication: [Tokyo]
Language: jpn
Number of pages: 43