The Perceptions of Students and Teacher Challenges in Utilizing “Kejar.Id” at One of Vocational School in Serang Regency. IMEIJ [Internet]. 2023 Dec. 12 [cited 2026 Aug. 12];4(3):2357-6. Available from: https://ejournal.indo-intellectual.id/index.php/imeij/article/view/504