Kharisma Putri MT, Muryono S. The Effectiveness of Group Guidance Using Self-Management Techniques to Improve Boarding School Students’ Time Management. JBKP [Internet]. 2026 Jul. 31 [cited 2026 Jul. 31];6(2):203-1. Available from: https://e-journal.upr.ac.id/index.php/pdhp/article/view/26786