Concepedia
Contraception · 1989 · 36 citations · 2 references
2
Theory and Methods of Scaling
Arthur Lerner · American Journal of Psychiatry · 1959 · 1K citations
Natural Sciences, Mathematics, Psychometrics +4
A survey of contraception in five West European countries
F. E. Riphagen, P. Lehert · Journal of Biosocial Science · 1989 · 47 citations
Medicine, Demography, Population Health Sciences +16