Ahmad, Halimatun Saadiah, and Ayu Suzailiana Muhamad. 2021. “Effects of an Acute Bout of Exercise on Salivary Lactoferrin Responses Among Smokers and Non-Smokers”. Journal of Science and Technology 13 (1):12-17. https://publisher.uthm.edu.my/ojs/index.php/JST/article/view/7359.