Preparation of Euyrycoma Longifolia Jack (E.L) Tongkat Ali (Ta) Root Extract Hydrogel for Wound Application, Yaseen, Maryam Riyadh, Faisal Ghasak G., Fuaat Azliana Abd, Affandi Khairunisa Ahmad, Alallam Batoul, and Nasir Mohd Hamzah Moh , Pharmacognosy Journal, November 2021, Volume 13, Issue 6, p.1456-1463, (2021)