Abiltayeva, A. , Dlimbetova, G. , Abenova, S. , Petrov, B. and Torpichsheva , R. 2026. EVALUATING A MOBILE APPLICATION FOR DEVELOPING STUDENTS’ ENVIRONMENTAL COMPETENCIES: A QUASI-EXPERIMENTAL STUDY. Scientific Journal of Astana IT University. 27, 3 (Sep. 2026), 399–413. DOI:https://doi.org/10.37943/MRCC6435 .