Application for fitting of Langmuir and Freundlich equations Studies on the experminatl data of adsorption of Methylene Blue Dye by Cobalt Oxide Surface. sjpas [Internet]. 2023 Dec. 30 [cited 2026 Apr. 25];5(4):66-77. Available from: https://sjpas.com/index.php/sjpas/article/view/598