Astrina, Ika, Ameta Primasari, and Minasari. “Effects of Sidamanik Black Tea on Salivary Flow Rate, Total Protein, and Albumin Levels in Young Adults: An in Vivo Study”. Dentika: Dental Journal 26, no. 2 (December 22, 2023): 123–128. Accessed October 7, 2025. https://idjpcr.usu.ac.id/dentika/article/view/12717.