Ernur Akıner M. Using structural equation model to estimate nitrate pollution in the Melen Watershed of the Turkey. J.eng. process. manag. [Internet]. 2019 Jul. 2 [cited 2025 Apr. 4];11(1):31-45. Available from: http://jepm2021.tfzv.ues.rs.ba/index.php/pub/article/view/161