Gaffar, Muhammad Andriana, et al. “Policy Analysis of the Regent’S Circular Letter on Learning Activities in the Month of Ramadhan: Implications on Learning Activities at the Secondary Education Level”. International Journal of Sustainable Social Science (IJSSS), vol. 3, no. 3, June 2025, pp. 187-00, doi:10.59890/ijsss.v3i3.39.