Hutabarat, I. S., Hutabarat, S. V. ., Siregar, M. Y., Zelani, D. I. and Suganda, H. A. . (2026) “The Role of Human Capital Investment In Economic Growth: Evidence From Cross-Country And Regional Studies”, Jurnal Mantik, 9(4), pp. 1254-1260. doi: 10.35335/mantik.v9i4.6921.