Bányai, Ágota, Efimenko, D., Béla, I., Tamás, P. and Bányai, T. 2020. Multi-channel supply chain optimisation in cyber-physical environment under quantity discounts. Journal of Production Engineering. 23, 1 (Jun. 2020), 65–70. DOI:https://doi.org/10.24867/JPE-2020-01-065.