Khusnul Khasanah, Shabrina Nabiatun Salsabila, and Abdul Hopid. “Continuous Improvement In Improving The Quality Of Education At SMP IT Abu Bakar Yogyakarta”. Linguanusa : Social Humanities, Education and Linguistic 2, no. 1 (April 1, 2024): 1–8. Accessed December 19, 2024. http://linguanusa.com/index.php/1/article/view/33.