Optimizing the Sustainable Human Development Index (HDI) through Calligraphy and Qori’ Training for Students at the Muhammadiyah Orphanage in Madiun City. Journal of Contemporary Research and Innovation [Internet]. 2026 Jul. 7 [cited 2026 Sep. 10];1(1):1-18. Available from: https://jurnal.al-fathsiak.org/index.php/jcri/article/view/1