Djuuna, Meykel, Surya Danang, and Sabrun Jusuf. “Effectiveness of Teamwork Excellence Training: A Case Study at PT ICI Manado”. Journal of Management and Administration Provision 5, no. 3 (September 16, 2025): 421-428. Accessed January 9, 2026. https://psppjournals.org/index.php/jmap/article/view/710.