bin Hasnadi MS, A Razak AH. Evaluation of Peppermint Based Menthol as a Cooling Agent for Development of Hydrogel Cooling Patch. peat [Internet]. 2022 Jun. 19 [cited 2024 Jul. 18];3(1):20-7. Available from: https://publisher.uthm.edu.my/periodicals/index.php/peat/article/view/6427