Songtham Ruangchaithaweesuk. 2004. Synthesis of Bis-calix [4] arene-calix [4] pyrrole as ion pair receptor. Field of Study Chemistry, Chulalongkorn University;
Songtham Ruangchaithaweesuk. (2004) Synthesis of Bis-calix [4] arene-calix [4] pyrrole as ion pair receptor . Chulalongkorn University/Bangkok.
Songtham Ruangchaithaweesuk. Synthesis of Bis-calix [4] arene-calix [4] pyrrole as ion pair receptor. . Bangkok:Chulalongkorn University, 2004.
Songtham Ruangchaithaweesuk. (2004) Synthesis of Bis-calix [4] arene-calix [4] pyrrole as ion pair receptor . Chulalongkorn University/Bangkok.