Simorangkir, Rebecca Febi Permata Br, Amita M. Siregar, Putri Soviana Pakpahan, Yusi Yulfani Siagian, and Iis Siti Jahro. “Sintesis Dan Karakterisasi Senyawa Kompleks [Cu(H2O)2(NH3)4]SO4”. Panthera : Jurnal Ilmiah Pendidikan Sains dan Terapan 6, no. 2 (April 27, 2026): 1061–1072. Accessed May 12, 2026. https://www.e-journal.lp3kamandanu.com/index.php/panthera/article/view/1192.