“Digital Transformation: Implementation of Wireless Calling System Case Study at Mie Gacoan Veteran Semarang from a Blue Ocean Strategy Perspective” (2024) International Conference on Islamic Economics (ICIE), 1(1), hlm. 535–540. Tersedia pada: https://proceeding.uingusdur.ac.id/index.php/icie/article/view/2585 (Diakses: 4 Juni 2026).