Hartman, Sandra J., Olof Lundberg, and Michael White. “Planning in Small Vs. Large Businesses: Do Managers Prefer Different Tools?”. Journal of Small Business Strategy 1, no. 1 (January 2, 1990): 13–24. Accessed May 25, 2022. https://libjournals.mtsu.edu/index.php/jsbs/article/view/216.