GEŽÍK, Pavel - REIFF, Marian. Waiting Line Problem in Retail Store. In Quantitative Methods in Economics: Multiple Criteria Decision Making XX. International Scientific Conference. Quantitative Methods in Economics: Multiple Criteria Decision Making XX : Proceedings of the International Scientific Conference: 27th May - 29th May 2020, Púchov, Slovakia. - Bratislava : Letra Edu, 2020. ISBN 978-80-89962-60-0, pp. 87-94. VEGA 1/0339/20, SK-SRB-18-0009. SK-SRB-18-0009, APVV, Optimalizácia logistických procesov s využitím elektromobilov a ich IKT riešenia.