Czerniachowska, Kateryna, Krzysztof Żywicki, and Radosław Wichniarek. “A Method to Improve Planning of Product Placement on a Printing Sheet”. Management and Production Engineering Review 12, no. 1 (March 30, 2021): 119–128. Accessed September 20, 2026. https://wydawnictwo.pan.pl/index.php/mper/article/view/5415.