Harsas, Nadhia Anindhita, 		Tadjoedin, Fatimah, 		Sulijaya, Benso, 		Hutomo, Dimas, 		Purba, Melinda, AND 		Sasri, Cahyaning.
" Combination of Platelet-rich Fibrin (PRF) in Advanced Periodontitis Stage Treatment" <em>Journal of  Indonesian Dental Association</em> [Online], Volume 6 Number 2 (29 December 2023)