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“Application of QR Code In Improving Public Knowledge About Beyond Use Date (BUD) of Medicine In Tanjung Rejo Village Percut Sei Tuan Deli Serdang: Penerapan QR Code Dalam Peningkatan Pengetahuan Masyarakat Tentang Beyond Use Date (BUD) Obat di Desa Tanjung Rejo Percut Sei Tuan Deli Serdang”, jukeshum, vol. 5, no. 1, pp. 141–146, Jan. 2025, doi: 10.51771/jukeshum.v5i1.1198.