Sairuomyart, Sirima, Kanok-on Kreelieng, and Junya Meesri. 2017. “Production of Lyophilized Microorganisms in Cosmetic Product for Proficiency Testing”. Journal of Health Science of Thailand 26 (Supplement 2):S328-S337. https://www.thaidj.org/index.php/JHS/article/view/206.