Digital Transformation: Implementation of Wireless Calling System Case Study at Mie Gacoan Veteran Semarang from a Blue Ocean Strategy Perspective. icie [Internet]. 24 Oktober 2024 [dikutip 5 Juni 2026];1(1):535-40. Tersedia pada: https://proceeding.uingusdur.ac.id/index.php/icie/article/view/2585