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, vol. 2, no. 1, Apr. 2024, pp. 1-8, http://linguanusa.com/index.php/1/article/view/33.