Yazar
Jan Van Tonder
18 cilt bulundu.
Jan Louis Van Tonder · Human Sciences Research Council
204 sayfa · 1984
Colored people (South Africa) / East Indians / Human Fertility / Population / Statistics
Jan Albertus Van Tonder · Nasionale Instituut vir Personeelnavorsing, Suid-Afrikaanse Wetenskaplike en Nywerheidnavorsingsraad
154 sayfa · 1977
Engineering students / Examinations / Pretoria / Pretoria. University. Faculty of Engineering
Jan Louis Van Tonder · Institute for Sociological, Demographic and Criminological Research, Human Sciences Research Council
85 sayfa · 1975
Mortality / Tables / Vital Statistics
Jan Louis Van Tonder · Suid-Afrikaanse Raad vir Geesteswetenskaplike Navorsing, Nasionale Instituut vir Sosiologiese, Demografiese en Kriminologiese Navorsing
39 sayfa · 1980
Population / Population forecasting / Statistics
Jan Louis Van Tonder · Raad vir Geesteswetenskaplike Navorsing, Instituut vir Sosiologiese, Demografiese en Kriminologiese Navorsing
95 sayfa · 1980
Birth control clinics / Statistics / Utilization
Jan Louis Van Tonder · Raad vir Geesteswetenskaplike Navorsing
65 sayfa · 1983
Birth control / Government policy / Human Fertility / Mathematical models
Jan Louis Van Tonder · Human Sciences Research Council
301 sayfa · 1985
Blacks / Human Fertility / Statistics / Vital Statistics
Jan Louis Van Tonder · Instituut vir Sosiologiese, Demografiese en Kriminologiese Navorsing, Raad vir Geesteswetenskaplike Navorsing
21 sayfa · 1978
Internal Migration / Men / Statistics
Jan Louis Van Tonder · Raad vir Geesteswetenskaplike Navorsing
63 sayfa · 1984
Birth control / Statistics