Firmansyah FB, Destriana NDP, Ernawati F. Optimizing Learning Quality through KAIZEN Principles in an Islamic Junior High School. Indones. J. Innov. Teach. Learn. [Internet]. 2026 Aug. 31 [cited 2026 Sep. 4];3(2):106-1. Available from: https://ojs.aeducia.org/index.php/ijitl/article/view/597