Fully modified least absolute devotions and fully modified M in estimating regression model with non-stationary explanatory variable and auto correlated random errors. Period. Eng. Nat. Sci. [Internet]. 2020 Mar. 31 [cited 2026 Jul. 8];8(1):313-20. Available from: https://pen.ius.edu.ba/index.php/pen/article/view/1049