Rizqi Ananda Putri, Nafi’ah, and Sarianoferni. “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, no. 1 (August 12, 2021): 25–33. Accessed October 19, 2025. https://journal-denta.hangtuah.ac.id/index.php/jurnal/article/view/55.