Gowranga Kumar Paul, Shayla Naznin, Ajit kumar Majumder. Boundary and Sign Problems of Parameters along with its Solutions of the Augmented Dickey-Fuller Test. GJSFR [Internet]. 2014 Mar. 15 [cited 2024 May 2];14(F5):55-9. Available from: https://journalofscience.org/index.php/GJSFR/article/view/1422