Putri, D. A., Darmawan, C. and Mulyani, K. (2026) “The Effect of Promotion Through Social Media and Non-Social Media on Patient Visits at Cassandra Skincare Clinic in Singkawang City”, Journal of Economics and Social Sciences (JESS), 5(1), pp. 43–52. doi: 10.59525/jess.1302.