共 12 条
[1]
AMARE G, 1970, E AFRICA J, V7, P13
[2]
BOATENG EA, 1959, GEOGRAPHY GHANA
[3]
BROWN LA, 1968, DIFFUSION PROCESS LO
[4]
Church M., 1966, BASIC GEOGRAPHICAL L
[5]
Dickson, 1969, HISTORICAL GEOGRAPHY
[6]
GOULD PR, 1969, 4 ASS AM GEOGR RES P
[7]
Guelke L., 1971, CANADIAN GEOGRAPHERL, V15, P38, DOI [10.1111/j.1541-0064.1971.tb00032.x, DOI 10.1111/J.1541-0064.1971.TB00032.X]
[8]
Mabogunje AL., 1968, URBANIZATION NIGERIA
[9]
MARYANNETTE OP, 1968, PROFESSIONAL GEOGRAP, V20, P92
[10]
MCDONALD RJ, 1964, PROFESSIONAL GEOGRAP, V16, P20