Widiarsih, D., R. Darwin, and S. H. Sandri. “Determinants Of Economic Growth The Sumatra Region In The Economic Model Four Sectors In The New Normal Era”. INVEST : Jurnal Inovasi Bisnis Dan Akuntansi, vol. 4, no. 2, July 2023, pp. 361-72, doi:10.55583/invest.v4i2.565.