> [Nakagawa, Yoichiro](nakagawa.md). "The Emergence of Proto-Indo-Europeans as Nomadic Pastoralists". Keizaigaku-Ronsan (The Journal of Economics): Chuo University, 63(3・4) 37-56, Dec, 2022 > [researchmap.jp](https://researchmap.jp/read0026230/published_papers/41332638)