Panjaitan, Renopa, Putra Willy Apostel Munthe, Nasib Tua Lumban Gaol, and Marina Letara Nababan. “Self-Leadership Among Undergraduate Students: A Descriptive Study”. Proceeding of International Conference of Religion, Health, Education, Science and Technology 1, no. 1 (August 15, 2024): 566-571. Accessed December 23, 2024. https://journal.ibrahimy.ac.id/index.php/icorhestech/article/view/5734.