Sianturi, Tasya Gabriella, et al. “ The Effect Of Income On Consumption In North Sumatra For The 2009-2021 Period: Pengaruh Pendapatan Terhadap Konsumsi Di Sumatera Utara Periode 2009-2021”. Outline Journal of Economic Studies, vol. 3, no. 2, Sept. 2024, pp. 80-88, https://doi.org/10.61730/ojes.v3i2.110.