An exploratory study of twins in two South African high school populations
By: Elizabeth M. Madge, A.R. van den Berg.
Contributors: Van den Berg, A. R.
Series: Report ;; P-60; Report (Human Sciences Research Council) ;; no. 60.
Publisher: Human Sciences Research Council
Published: 1987
Place of publication: Pretoria
Language: eng
Number of pages: 201
Subjects: Twins -- South Africa.
Notes: Includes bibliographical references (p. 188-201).