Systems research and behavioral science. 1964;9(3):219-225. doi: 10.1002/bs.3830090303 Q21.82025
A scientific method of districting
DOI: 10.1002/bs.3830090303
摘要
Systems research and behavioral science. 1964;9(3):219-225. doi: 10.1002/bs.3830090303 Q21.82025
DOI: 10.1002/bs.3830090303
摘要