共 124 条
[6]
B??ck-Wiklund, 2012, NATVERKSFAMILJEN
[8]
BEAUJOUAN E, 2011, POPULATION TRENDS, V0145
[9]
Beaujouan E., 2022, OPTIMIZING MANAGEMEN, P3, DOI [10.1017/9781009025270.002, DOI 10.1017/9781009025270.002]