Mohtar, S. H., K. Rajendran, and S. Haulisah. “Immunostimulatory Effect of Piper Betle Treatment in Nile Tilapia (Oreochromis Niloticus)”. ASEAN Journal of Life Sciences, Vol. 1, no. 1, June 2021, pp. 29-40, https://ajls.journals.unisel.edu.my/index.php/ajls/article/view/15.