Numerical assessment of economic crisis on consumers purchasing power in Nigeria. Proceedings of the Nigerian Society of Physical Sciences, [S. l.], v. 3, p. 311, 2026. DOI: 10.61298/pnspsc.2026.3.311. Disponível em: https://rans.nsps.org.ng/index.php/pnspsc/article/view/311. Acesso em: 27 may. 2026.