Humairah S, Yasmi F, Stevani. The Influence of Self-Confidence, Readiness to Learn, Peers and Family Environment on the Learning Achievement of Class X Students in Subjects Economics Through Learning Disciplines Variable Intervention As . JPLED [Internet]. 2026 Jul. 21 [cited 2026 Aug. 12];6(2):1895-904. Available from: https://digitalpress.gaes-edu.com/index.php/jpled/article/view/1013