@inproceedings{oai:kutarr.kochi-tech.ac.jp:00001089,
 author = {de, Alwis Dharmasiri},
 book = {Society for Social Management Systems Internet Journal},
 month = {Sep},
 publisher = {Society for Social Management Systems},
 title = {Birth of Hydraulic Societies and Management Systems in A Human Settlement Project Based on Irrigated Agriculture},
 volume = {7},
 year = {2011}
}