Ahmad Nordin, N. (2021) “Effect of Piper Betle extract hand sanitizer in reducing microbes on hands by using Fingertips Touch Plate Method”, Multidisciplinary Applied Research and Innovation, 2(2), pp. 226–233. Available at: https://publisher.uthm.edu.my/periodicals/index.php/mari/article/view/2014 (Accessed: 19 May 2024).