Kalengkongan, Cesni Sinta, Yohanes AR Langi, and Nelson Nainggolan. “Analisis Volatilitas Harga Bawang Putih Di Kota Manado Menggunakan Model GARCH”. d’Cartesian 9, no. 1 (January 24, 2020): 43–49. Accessed May 4, 2024. https://ejournal.unsrat.ac.id/v3/index.php/decartesian/article/view/27398.