Yayi Solihah DM and Helmawati, H. 2026. Principal Management in Improving the Professional Competence of Vocational School Teachers in Cianjur Regency. Journal of Science and Education (JSE). 6, 2.2 (Mar. 2026), 1-11. DOI:https://doi.org/10.58905/jse.v6i2.2.683.