EZE CHINONSO MICHAEL. Regression Analysis of an Experiment with Treatment as a Qualitative Predictor. Global Journal of Science Frontier Research, [S. l.], v. 18, n. F4, p. 15–27, 2018. Disponível em: https://journalofscience.org/index.php/GJSFR/article/view/2252. Acesso em: 4 may. 2024.