共 67 条
[1]
ADEMUWAGUN ZA, 1974, RURAL AFRICANA, V26, P56
[2]
ARMAR AA, 1975, STUDIES FAMILY PLANN, V6, P283
[3]
ARMSTRONG RW, 1973, MEDICAL GEOGRAPHY TE, P119
[4]
ARMSTRONG RW, 1974, B PUBL HLTH SOC, V8, P64
[5]
ARMSTRONG RW, 1972, MEDICAL GEOGRAPHY TE, P128
[6]
BENOIST J, 1975, AFRICAN ENVIRONMENT, V1, P40
[8]
BROKENSHA D, 1966, SOCIAL CHANGE LARTEH, P186
[9]
BURKITT D, 1965, E AFR MED J, V42, P305