Siti Mariyah, Ahmad Syukri, and Badarussyamsi. 2024. “Commitment of Madrasah Heads in Improving State Tsanawiyah Madrasah Services in the Kepulauan Riau”. Mutiara: Jurnal Ilmiah Multidisiplin Indonesia 2 (3):1-17. https://doi.org/10.61404/jimi.v2i3.234.