Abdoulmatlab Jasem, R. et al. 2025. The Mediating Role of Psychological Capital in the Relationship Between Academic Self-Efficacy, Academic Engagement, and Academic Meaningfulness with Academic Achievement Among Students in Wasit, Iraq. Journal of Adolescent and Youth Psychological Studies (JAYPS). 6, 3 (Mar. 2025), 1–10. DOI:https://doi.org/10.61838/.