[2]
The strengths and difficulties questionnaire: A pilot study on the validity of the self-report version[J] . R. Goodman,H. Meltzer,V. Bailey.European Child & Adolescent Psychiatry . 1998 (3)
[2]
The strengths and difficulties questionnaire: A pilot study on the validity of the self-report version[J] . R. Goodman,H. Meltzer,V. Bailey.European Child & Adolescent Psychiatry . 1998 (3)