Ramadayanti, R. 2025. Optimizing The Use of Instagram as a Promotional Medium from The Perspective of Islamic Ethics in The Mega Rezky Health Vocational School Library, Makassar. Al-Hikmah. 27, 02 (Dec. 2025), 203–222. DOI:https://doi.org/10.24252/al-hikmah.v27i02.61687.