Fully modified least absolute devotions and fully modified M in estimating regression model with non-stationary explanatory variable and auto correlated random errors. Periodicals of Engineering and Natural Sciences, [S. l.], v. 8, n. 1, p. 313–320, 2020. DOI: 10.21533/pen.v8.i1.1049. Disponível em: https://pen.ius.edu.ba/index.php/pen/article/view/1049. Acesso em: 8 jul. 2026.