Canıeren Ömer, Karagüzel C, Aydın A. Investigation of Analysis Methods For Detection of Humic Substances Within Leonardite: Investigation of Analysis Methods For Detection of Humic Substances Within Leonardite. IJEEG [Internet]. 2018 Apr. 30 [cited 2025 Feb. 23];9(1):50-3. Available from: http://econ-environ-geol.org/index.php/ojs/article/view/415