The causal relationship between public spending and economic growth within the framework of Wagner’s law and Keynes’ hypothesis: an applied study on the Libyan economy during the period (1980-2021). (2024). مجلة جامعة سرت للعلوم الانسانية, 14(1), 35-23. https://doi.org/10.37375/sujh.v14i1.2777