Glady Sumual, V. et al. 2026. The Influence of Principal Transformational Leadership and Organizational Climate On Teacher Performance At SMA Negeri 9 Manado. International Journal of Science and Environment (IJSE). 6, 1 (Mar. 2026), 1229–1237. DOI:https://doi.org/10.51601/ijse.v6i1.456.