Hulu, F. N., Yadi, I., Zumhari, Z. and Novalianda, S. (2022) “A MANAGEMENT QUALITY SIGNAL DETECTION USING OPEN SIGNAL APPLICATION AT SEVERAL POINT LOCATIONS IN MEDAN CITY”, Jurnal Ekonomi, 11(03), pp. 1087–1090. Available at: https://ejournal.seaninstitute.or.id/index.php/Ekonomi/article/view/836 (Accessed: 9 May 2026).