Julaeha, Siti, and Arini Soesatyo Putri. “Representasi Deret Ke Dalam Bentuk Integral Lipat Dua”. KUBIK: Jurnal Publikasi Ilmiah Matematika 2, no. 1 (May 31, 2017): 43–49. Accessed February 2, 2026. https://www.journal.uinsgd.ac.id/index.php/kubik/article/view/1473.