Malomo, Adrianus, and Gatta Makatenga. “Evaluating the Effectiveness of Coaching Programs in Enhancing Employee Interpersonal and Leadership Skills”. Idea: Future Research 1, no. 3 (October 30, 2023): 97–105. Accessed April 19, 2026. https://idea.ristek.or.id/index.php/idea/article/view/17.