Nijarat Wichianprasit และ Poj Kulvanich. (2009) Development of osmotically controlled drug delivery system using crosslinked and non-crosslinked hard gelatin capsules. Chulalongkorn University:ม.ป.ท.Nijarat Wichianprasit และ Poj Kulvanich. 2009. Development of osmotically controlled drug delivery system using crosslinked and non-crosslinked hard gelatin capsules. ม.ป.ท.:Chulalongkorn University;Nijarat Wichianprasit และ Poj Kulvanich. Development of osmotically controlled drug delivery system using crosslinked and non-crosslinked hard gelatin capsules. ม.ป.ท.:Chulalongkorn University, 2009. Print.