Hartanto, Yenny. “Three-in –One Live-In Program: Building University Students’ Soft Skills: Building University Students’ Soft Skills”. Jurnal Bisnis Terapan 4, no. 2 (December 18, 2020): 227 - 242. Accessed July 3, 2024. https://journal.ubaya.ac.id/index.php/JIBT/article/view/2916.