JPEPA, Admin. “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, vol. 5, no. 3, Oct. 2024, pp. 10-23, https://journal.unj.ac.id/unj/index.php/jpepa/article/view/30030.