Legal, economic, managerial and environmental aspects of performance competencies by local authorithies, 2017 [elektronický zdroj : 5th international scientific correspondence conference, Nitra 2018 / editor Monika Gubáňová . Nitra :  Slovak University of Agriculture , 2018 . 1 CD-ROM (320 s) . ISBN 978-80-552-1839-7 . [3, z toho požičaných 0]