Sarna, K., I. Podkowa-Zawadzka, T. Wasilewski, M. Zięba, and A. Seweryn. “The Usage of Biosurfactants to Make Modern Shower Gels With a Higher Safety of Usage”. Scientific Journal of Gdynia Maritime University, no. 106 (December 18, 2018): 23–28. Accessed May 6, 2024. https://ojs.umg.edu.pl/index.php/sjgmu/article/view/114.