TY - JOUR AU - Wojciech Kempa AU - Joanna Rydarowska-Kurzbauer AU - Marzena Halama AU - Elżbieta Smuda AU - Maciej Biel BT - Multidisciplinary Aspects of Production Engineering DA - 06/2021 IS - 1 LA - eng PY - 2021 SE - 395 T2 - Multidisciplinary Aspects of Production Engineering TI - Statistical and Econometric Analysis of Selected Effects of COVID-19 Pandemic VL - 4 ER -