Leimena, D.I. et al. 2026. Becoming a Different Teacher: Exploring English Teachers’ Professional Identity Transformation after an In-Service Certification Program. Edu Cendikia: Jurnal Ilmiah Kependidikan. 6, 01 (Apr. 2026), 286–295. DOI:https://doi.org/10.47709/educendikia.v6i01.8199.