Analisis data time series menggunakan metode ARIMA untuk meramalkan persentase lulusan tepat waktu di FKIP Undana. njpm [Internet]. 2025 Jun. 30 [cited 2026 Jul. 27];3(1):46-55. Available from: http://ejournal.ahs-edu.org/index.php/notasi/article/view/285