Wilopo and others. 2003. Groundwater modeling at Klong Praya Bunlue Phra Nakorn Si Ayuthaya province. Field of Study Mining Engineering, Chulalongkorn University;
Wilopo and others. (2003) Groundwater modeling at Klong Praya Bunlue Phra Nakorn Si Ayuthaya province . Chulalongkorn University/Bangkok.
Wilopo and others. Groundwater modeling at Klong Praya Bunlue Phra Nakorn Si Ayuthaya province. . Bangkok:Chulalongkorn University, 2003.
Wilopo and others. (2003) Groundwater modeling at Klong Praya Bunlue Phra Nakorn Si Ayuthaya province . Chulalongkorn University/Bangkok.