Development of a low-cost NTP stratum 2 time synchronization system with hybrid RTC/NTP failover for remote Indonesian mosques. J. Soft Comput. Explor. [Internet]. 2025. november 15. [idézi 2026. augusztus 26.];6(3):199-205. Elérhető: https://shmpublisher.com/index.php/joscex/article/view/570