XAYCHALERN1, K.; JIEWU, H. Dispersion Parameter Estimation in the Negative Binomial Regression Model with Covariates. Souphanouvong University Journal Multidisciplinary Research and Development , [S. l.], v. 4, n. 1, p. 58–65, 2018. Disponível em: http://www.su-journal.com/index.php/su/article/view/47. Acesso em: 17 jan. 2026.