Panjaitan, S., A. Siahaan, and M. Rifa’i. “Implementing Quality Improvement Management in Madrasah Aliyah”. Nidhomul Haq : Jurnal Manajemen Pendidikan Islam, Vol. 8, no. 1, Mar. 2023, pp. 137-51, doi:10.31538/ndh.v8i1.3068.