Yosuke Shimada

• "Tettei kensho" ima Amerika no ryutsugyo ni nani ga okite iru ka
• Ryutsu risutora e no senryaku
• 21-seiki wa Taimu bijinesu da: Jikan o hitto shohin ni suru shinhosoku
• Daitenho kanwa de ryutsugyo wa ko kawaru