Comparison of Downdraught and Up Draft Passive Air Conduction Systems (PACS) in a Winery Building

by Ádám László Katona, István Ervin Háber, István Kistelegdi
Published 2021-06-01

Exploring Public Opinions on Renewable Energy by Using Conventional Methods and Social Media Analysis

by Istvan Ervin Haber, Mate Toth, Robert Hajdu, Kinga Haber, Gabor Pinter
Published 2021-05-01