Muttaqin, Zulfan. “Segmental Spring Untuk Koreksi Single Crossbite Pada Pasien Klas IV Kennedy: Case Report”. Prima Journal of Oral and Dental Sciences 2, no. 1 (March 28, 2019): 1-4. Accessed May 8, 2024. http://jurnal.unprimdn.ac.id/index.php/PrimaJODS/article/view/621.