Widodo, T. E., T. M. Smatupang, and P. P. 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, vol. 4, no. 5, June 2025, pp. 738-50, doi:10.54408/jabter.v4i5.424.