B. de Sampaio, Raimundo J., Wenyu Sun, and Rafael R. G. Wollmann. “Using the Clearing Function to Evaluate the Pricing Capacity of Resources at Low Levels of Utilization in Production Planning”. International Journal of Industrial Engineering and Management 4, no. 3 (September 30, 2013): 161–172. Accessed May 20, 2024. https://ijiemjournal.uns.ac.rs/index.php/ijiem/article/view/297.