NNAMCHI, S. N.; JAGUN, Z. O.; IJOMAH, M. A.; NNAMCHI, O. A.; BUSINGYE, J. D. Time Series Analysis of Global Energy Indices: Logarithmic and Normalized Techniques for Developmental Studies. Energy Economics Letters, [S. l.], v. 9, n. 1, p. 1–19, 2022. DOI: 10.18488/5049.v9i1.4396. Disponível em: https://archive.aessweb.com/index.php/5049/article/view/4396. Acesso em: 8 aug. 2022.