Ramadhani, Resky, et al. “COMBINATION OF REGENERATIVE THERAPY AND FREE GINGIVAL GRAFT IN STAGE IV PERIODONTITIS: CASE REPORT”. Interdental Jurnal Kedokteran Gigi (IJKG), vol. 20, no. 1, Apr. 2024, pp. 34-39, doi:10.46862/interdental.v20i1.8639.