Levania, Yovita, et al. “Chitosan and Red Ginger Extract Patches for Diabetic Foot Ulcers: An Alternative for Urban Healthcare Challenges”. Jurnal Perkotaan, vol. 17, no. 1, Oct. 2025, pp. 38-45, https://doi.org/10.25170/perkotaan.v17i1.6187.