Rapeepun Chalongsuk และ Namfon Sribundit. (2013) Usage of Chitosan in Thai Pharmaceutical and Cosmetic Industries. <i>Silpakorn University Science and Technology Journal</i>, <i>7</i>(1), 49-53.Rapeepun Chalongsuk และ Namfon Sribundit. "Usage of Chitosan in Thai Pharmaceutical and Cosmetic Industries". Silpakorn University Science and Technology Journal 7 (2013):49-53.Rapeepun Chalongsuk และ Namfon Sribundit. Usage of Chitosan in Thai Pharmaceutical and Cosmetic Industries. Silpakorn University Research and Development Institute:ม.ป.ท. 2013.