SUMARJAYA, I Wayan. Memodelkan Ketergantungan dengan Kopula. Jurnal Matematika, [S.l.], v. 3, n. 1, p. 34 - 42, july 2013. ISSN 2655-0016. Tersedia pada: <https://ojs.unud.ac.id/index.php/jmat/article/view/7330>. Tanggal Akses: 04 dec. 2025 doi: https://doi.org/10.24843/JMAT.2013.v03.i01.p33.