Dewi, N. P. D. C. “Combination Of Betel Leaf Extract and Collagen As Liquid Anti-Inflammatory for Dental and Oral Tissue Treatment”. Interdental Jurnal Kedokteran Gigi (IJKG), vol. 21, no. 1, Apr. 2025, pp. 154-9, doi:10.46862/interdental.v21i1.9989.