Sumarni, Ai, Ade Tutty R. Rosa, Teti Ratnawulan, dan Agus Mulyanto. 2026. “Improving science teacher performance through transformational leadership: A case study at Indonesian public elementary schools”. Indonesian Journal of Teaching in Science 6 (1): 13-22. https://doi.org/10.17509/ijotis.v6i1.99094.