OGBONNIA, A. A. .; MARYANN, I. N. .; IKENNA, E. . Investment Spikes and Firm Profitability. International Journal on Economics, Finance and Sustainable Development, [S. l.], v. 5, n. 12, p. 41–51, 2023. DOI: 10.31149/ijefsd.v5i12.5022. Disponível em: https://journals.researchparks.org/index.php/IJEFSD/article/view/5022. Acesso em: 27 sep. 2026.