Sek, Siok Kun, Khang Yi Sim, Wei Keat Chea, and Zi Hui Hoe. “The Causal Nexus Between Government Expenditure and Economic Growth: Wagner Versus Keynes Hypothesis”. MATEMATIKA 38, no. 2 (August 15, 2022): 91–102. Accessed December 22, 2024. https://matematika.utm.my/index.php/matematika/article/view/1369.