https://ocs.machung.ac.id/index.php/seminarnasionalmachung/issue/feed Prosiding Seminar Nasional Universitas Ma Chung (Informatika & Sistem Informasi; Bahasa dan Seni; Farmasi) 2025-08-04T00:00:00+00:00 LPPM lppm@machung.ac.id Open Journal Systems Prosiding Seminar Nasional Ma Chung