Rico Tri Rahmadi, Sri Zulaihati, and Santi Susanti. “The Influence of Learning Discipline And Peer Environment on Learning Outcomes of Business Economy in Class X at One of SMK Negeri in Jakarta”. Jurnal Pendidikan Ekonomi, Perkantoran, dan Akuntansi - JPEPA 1, no. 1 (June 23, 2020): 12 - 24. Accessed April 27, 2024. http://pub.unj.ac.id/index.php/jpepa/article/view/30.