Rizqi Ananda Putri, Nafi’ah, & Sarianoferni. (2021). The Differences Between Giving Topical Therapy of Extract Etanol 96% and 70% Spirulina Platensis on Density of Collagen Fiber in Traumatic Ulcer Healing. DENTA JURNAL KEDOKTERAN GIGI, 13(1), 25–33. Retrieved from https://journal-denta.hangtuah.ac.id/index.php/jurnal/article/view/55