Kienka R, Osarenren N, Nwadinigwe P. Impact of dialectic behaviour therapy and assertiveness training on the mental health of socially stressed senior secondary students . CERJ [Internet]. 2023 Apr. 3 [cited 2024 Jul. 23];13(2):60-7. Available from: https://un-pub.eu/ojs/index.php/cerj/article/view/7797