# Behavioural Difficulties in Early Childhood: Findings from a Longitudinal Birth Cohort

> 2018 doctoral thesis by Stephanie D'Souza at University of Auckland

**Wikidata**: [Q111963650](https://www.wikidata.org/wiki/Q111963650)  
**Source**: https://4ort.xyz/entity/behavioural-difficulties-in-early-childhood-findings-from-a-longitudinal-birth-cohort