Surboyo, Meircurius Dwi Condro, Ira Arundina, and Retno Pudji Rahayu. “Increase of Collagen in Diabetes-Related Traumatic Ulcers After the Application of Liquid Smoke Coconut Shell”. Dental Journal 50, no. 2 (June 30, 2017): 71–75. Accessed August 2, 2024. https://e-journal.unair.ac.id/MKG/article/view/4493.