Worawan Saingam และ Poj Kulvanich. (2012) Formulation development of multilayer sustained release tablets of sodium valproate combined with valproic acid. Chulalongkorn University:ม.ป.ท.Worawan Saingam และ Poj Kulvanich. 2012. Formulation development of multilayer sustained release tablets of sodium valproate combined with valproic acid. ม.ป.ท.:Chulalongkorn University;Worawan Saingam และ Poj Kulvanich. Formulation development of multilayer sustained release tablets of sodium valproate combined with valproic acid. ม.ป.ท.:Chulalongkorn University, 2012. Print.