Rittirong Jonggoth. 2007. Spatial planning for secured landfill using an Expert Geographic Information System. Field of Study Environmental Management, Chulalongkorn University;
Rittirong Jonggoth. (2007) Spatial planning for secured landfill using an Expert Geographic Information System . Chulalongkorn University/Bangkok.
Rittirong Jonggoth. Spatial planning for secured landfill using an Expert Geographic Information System. . Bangkok:Chulalongkorn University, 2007.
Rittirong Jonggoth. (2007) Spatial planning for secured landfill using an Expert Geographic Information System . Chulalongkorn University/Bangkok.