Pattapol Chaikul. 2004. The contamination of lead in Pattani river simulation by water analysis simulation program (WASP) version 6.2. Field of Study Environmental Management, Chulalongkorn University;
Pattapol Chaikul. (2004) The contamination of lead in Pattani river simulation by water analysis simulation program (WASP) version 6.2 . Chulalongkorn University/Bangkok.
Pattapol Chaikul. The contamination of lead in Pattani river simulation by water analysis simulation program (WASP) version 6.2. . Bangkok:Chulalongkorn University, 2004.
Pattapol Chaikul. (2004) The contamination of lead in Pattani river simulation by water analysis simulation program (WASP) version 6.2 . Chulalongkorn University/Bangkok.