Asmarani R, Ansory H, Kuncahyo I. The Formulation of Nanogel Allantoin uses Nano Allantoin made by the Ionic Gelation Method between Chitosan and Tripolyphosphate. Journal of Pharmaceutical Researchers [Internet]. 31Jul.2023 [cited 12May2024];1(1):8-7. Available from: http://ejurnal.setiabudi.ac.id/ojs/index.php/pharmaceutical-researcher/article/view/1274