A. . Purnaningrum, C. F. Annis, R. I. Pratiwi, and D. Alfiyanti, “Utilization of Barcode Scanning in Hypertension Health Education for the Elderly: A Case Study at Posyandu Mekarsari: Pemanfaatan Scan Barcode Dalam Penyuluhan Kesehatan Hipertensi Untuk Lansia: Studi Kasus di Posyandu Mekarsari”, JPMKT, vol. 4, no. 2, pp. 82–90, Aug. 2025, doi: 10.58516/dkmbyv51.