A'YUN, Quroti; WIDYASARI, Resha; PURWATI, Dwi Eni; PURNAMA, Tedi. Gargling with Black Tea as an Effort to Increase Saliva pH in Elementary School Students. Journal of Drug Delivery and Therapeutics, India, v. 11, n. 6, p. 173–175, 2021. DOI: 10.22270/jddt.v11i6.5221. Disponível em: https://jddtonline.info/index.php/jddt/article/view/5221. Acesso em: 30 apr. 2026.