Setyowati, Ratna, Siti Patimah, Subandi Subandi, and Deden Makbuloh. “Facing Demographic Challenges: Marketing Strategies for Retaining and Attracting Students at SMKS Muhammadiyah Tumijajar”. Edumaspul: Jurnal Pendidikan 7, no. 2 (October 1, 2023): 2906-2912. Accessed May 18, 2024. https://ummaspul.e-journal.id/maspuljr/article/view/6812.