共 37 条
[21]
HUFFMAN SL, 1983, PRESCHOOL CHILD MALN, P28
[22]
JAIN AK, 1986, EC POL WKLY, V6, P1602
[23]
KHAN MU, 1979, BANGLADESH MED J, V7, P74
[25]
LESLIE J, 1987, WOMENS WORK CHILD NU, P40
[26]
LEVINE RA, 1986, AM ANTHR ASS PANEL B, P18
[27]
LINDENBAUM S, 1988, HLTH DISEASE POPULAT
[28]
NAG M, 1981, PANEL FERTILITY DETE
[29]
NAG M, 1981, SEP IND INT Q