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Dwi Sudiarti, Riswandi, Rangga Firdaus. Enhancing Teacher Performance through Institutional Supervision for 21st Century Learning in Elementary Schools. ITLJ [Internet]. 2025 Dec. 18 [cited 2026 Feb. 23];9(2):340-5. Available from: https://itlj.utm.my/index.php/itlj/article/view/193