lintang lintang, Suprapto PK, Ardiansyah R. Four Tier Test Ecosystem: Diagnostic Test to Detect Misconception on Ecosystem Concepts. BES [Internet]. 2021 Apr. 23 [cited 2024 Nov. 22];5(1):49-56. Available from: https://journal.uhamka.ac.id/index.php/bioeduscience/article/view/5750