P. Pujiastuti, N. N. Sakinah, Y. M. D. Arina, M. A. Wahyukundari, D. Praharani, and D. S. Sari, “The potential of toothpaste containing Robusta coffee bean extract in reducing gingival inflammation and dental plaque formation”, Dent. J., vol. 56, no. 2, pp. 109–114, Mar. 2023.