000
00300nam a2200109Ia 4500
100
_a
Chau, Ta Ngoc
942
_c
BK
245
_a
Demographic aspects of educational planning
260
_a
United Nations Educational Scientific and Cultural Organization, Paris
_c
1969
082
_a
370.9 Cha
300
_a
83
999
_c
4715
_d
4715