勇一, 皆. (1989). 過疎問題の人口論的考察. 人口学研究, 12(12), 25-35. https://doi.org/10.24454/jps.12.0_25
Chicago Style (17th ed.) Citation勇一, 皆川. "過疎問題の人口論的考察." 人口学研究 12, no. 12 (1989): 25-35. https://doi.org/10.24454/jps.12.0_25.
MLA (9th ed.) Citation勇一, 皆川. "過疎問題の人口論的考察." 人口学研究, vol. 12, no. 12, 1989, pp. 25-35, https://doi.org/10.24454/jps.12.0_25.
Warning: These citations may not always be 100% accurate.