Tutiek Purwanti, and Dewi Melani Hariyadi. 2015. “Effect of Sodium Alginate Concentration on Characteristic, Viability, and Antibacterial Activity of Probiotic-Alginate Microparticles”. World Journal of Pharmaceutical Sciences 3 (3):426-29. https://wjpsonline.com/index.php/wjps/article/view/sodium-alginate-antibacterial-probiotic-alginate-microparticles.