Twaróg, S., Szołtysek, J., Szwarc, K. and Boryczka, U. 2019. Probabilistic Traveling Salesman Problem and Harmony Search Algorithms in Pharmacy Supply Optimization. Acta Universitatis Lodziensis. Folia Oeconomica. 6, 345 (Dec. 2019), 111–125. DOI:https://doi.org/10.18778/0208-6018.345.06.