“THE FREQUENCY-DOMAIN CAUSALITY RELATIONSHIP BETWEEN GOVERNMENT SPENDING AND GDP FOR THE PERIOD 1967-2023: WHICH IS MORE VALID IN ALGERIA, THE KEYNESIAN HYPOTHESIS OR WAGNER’S LAW?” (2025) Lex localis - Journal of Local Self-Government, 23(S6), pp. 7996–8010. doi:10.52152/fssmst26.