Sinambela M, Butar-butar GM, Tamba T, Series A. Optimization of the Christian Leadership Training of Trainer Handbook: Efforts to Achieve Graduate Profiles. edukasia [Internet]. 2022Nov.29 [cited 2025Apr.19];3(3):873-80. Available from: https://jurnaledukasia.org/index.php/edukasia/article/view/210