Irmayani, Irmayani, and A.Ika Putriani. “Pemodelan Dependensi Copula Pada Risiko Gagal Panen Di Indonesia”. Proximal: Jurnal Penelitian Matematika dan Pendidikan Matematika 8, no. 2 (July 28, 2025): 892–903. Accessed August 3, 2025. https://e-journal.my.id/proximal/article/view/6630.