Hisyam MJS, Juliatri J, Wicaksono DA. Penatalaksanaan Kasus Black Triangle pada Gingiva. eG [Internet]. 2022 Nov. 20 [cited 2024 May 6];11(1):26-34. Available from: https://ejournal.unsrat.ac.id/v3/index.php/egigi/article/view/44384