Mattering As a Core Need in Children and Adolescents Theoretical, Clinical, and Research Perspectives Flett Gordon L. Heftet / 2025 / Engelsk
Perfectionism in Childhood and Adolescence A Developmental Approach Flett Gordon L. Heftet / 2022 / Engelsk
Perfectionism A Relational Approach to Conceptualization, Assessment, and Treatment Hewitt Paul L. Innbundet / 2017 / Engelsk
Handbook of School-Based Mental Health Promotion An Evidence-Informed Framework for Implementation Leschied Alan W. Heftet / 2019 / Engelsk
Handbook of School-Based Mental Health Promotion An Evidence-Informed Framework for Implementation Leschied Alan W. Innbundet / 2018 / Engelsk
