(Q39226622)
Statements
1 reference
A survey of sexual behaviour of Singaporeans (English)
B. H. Heng
H. P. Lee
L. P. Kok
Y. W. Ong
1 November 1992
1 reference
1 reference
21
1 reference
6
1 reference
723-729
1 reference
Identifiers
1 reference