Jawahir, Ahmad. “Reviewing Continuing Professional Development Concept of English Teachers from the Lens of Diffusion of Innovation Theory”. Concept : Community Concern for English Pedagogy and Teaching 7, no. 1 (July 11, 2021): 1–15. Accessed July 3, 2024. https://e-journal.umc.ac.id/index.php/CJU/article/view/1798.