Penerapan E-Arsip Siswa Menggu nakan Qrcode (Studi Kasus : Smk Tritech Informatika Medan). snd [Internet]. 2024 Dec. 14 [cited 2026 Oct. 12];1(1):899-914. Available from: https://senadimu.potensi-utama.org/index.php/home/article/view/235