J. Harper

Bully/Victim Problems during Adolescence

D. Schwartz, L. Mayeux, J. Harper, 2011 .

Physical Growth and Development in a Sample of Autistic Girls from New South Wales

J. K. Collins, J. Harper, Juliet Harper, 1979, Australian paediatric journal.

A differential survey of the problems of privileged and underprivileged adolescents

J. K. Collins, J. Harper, 1975, Journal of youth and adolescence.

The Effects of Early or Late Maturation on the Prestige of the Adolescent Girl

J. K. Collins, J. Harper, 1972 .

The Eysenck Personality Inventory lie scale--some further Australian data.

J. Harper, M. M. Pryke, 1977, Journal of personality assessment.

Adolescents' problems and their relationship to self-esteem.

J. Harper, E. Marshall, 1991, Adolescence.

THE SECULAR TREND IN THE AGE OF MENARCHE IN AUSTRALIAN SCHOOLGIRLS

J. K. Collins, J. Harper, 1972, Australian paediatric journal.