Takaya, Yoshikazu

1934

• "Sekai tani" kara sekai o miru
• Agricultural development of a tropical delta
• Shinsekai chitsujo o motomete
• "Chiikikan kenkyū" no kokoromi
• Kome o do toraeru no ka (NHK bukkusu)
• Nettai deruta no nōgyō hatten
• Salinity in north-east Thailand
• Sekai tan'i Nihon
• Tōnan Ajia no shizen
• Tōnan Ajia no shizen to tochi riyō