M. T. NWAKUYA; M. A. IJOMAH. Study on Fixed Effect versus Random Effects Modeling in a Panel Data Analysis; a Consideration of Economic and Political Indicators in Six African Countries. Recent Advances in Mathematical Research and Computer Science Vol. 4, [S. l.], p. 42–49, 2021. DOI: 10.9734/bpi/ramrcs/v4/11245D. Disponível em: https://stm.bookpi.org/RAMRCS-V4/article/view/4871. Acesso em: 13 jun. 2026.