Preparation And Evaluation Of Hydrogel From Super Red Dragon Fruit Skin Extract (Selenicereus costaricensis). JURNAL PROTEKSI KESEHATAN [Internet]. 8 Januari 2025 [dikutip 2 Februari 2026];13(2):185-92. Tersedia pada: https://jurnal.pkr.ac.id/index.php/JPK/article/view/947