Azella Nanda Yudri, Iwan Iwut Tritoasmoro, Ratna Mayasari. Aplikasi Akses Pintu Kamar Apartemen Menggunakan QR Code Berbasis Android. SinarFe7 [Internet]. 2019Aug.16 [cited 2024Jul.3];3(1):339-44. Available from: https://journal.fortei7.org/index.php/sinarFe7/article/view/459