Widodo, Tabita Emmanuella, Togar Mangihut Smatupang, and Pennoh Philips Kembaren. “Developing The Organization Integration Through Problem/Solution Tree: A Case Study of EPC Solar Panel Company”. Journal of Applied Business, Taxation and Economics Research 4, no. 5 (June 17, 2025): 738–750. Accessed January 21, 2026. https://equatorscience.com/index.php/jabter/article/view/424.