Widodo, Tabita Emmanuella, Togar Mangihut Smatupang, and Pennoh Philips Kembaren. 2025. “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 (5):738-50. https://doi.org/10.54408/jabter.v4i5.424.