Ryōhei Kada

1949

• Kaihatsu enjo no hikari to kage
• Kome jiyūka no keiryō bunseki
• Managing environmental risks to food and health security in Southeast Asian watersheds =
• Nōgyō to kankyō mondai
• Off-farm employment and farm adjustments
• 農林業の外部経済効果と環境農業政策