Analysis the Effect of Household Consumption Expenditure, Investment and Labor to Economic Growth: A Case in Province of North Sumatra. Studia Universitatis Vasile Goldiș Arad, Seria Științe Economice, [S. l.], v. 28, n. 4, p. 45–54, 2018. Disponível em: https://publicatii.uvvg.ro/index.php/studiaeconomia/article/view/398. Acesso em: 11 apr. 2026.