by Barizsné Hadházi, Edit, Filep, Roland, Kőmíves, Péter Miklós, Kun, András István, Ujhelyi, Mária, Dajnoki, Krisztina
Published in Journal on efficiency and responsibility in education and science (25.09.2023)

by Ujhelyi, Mária, Filep, Roland
Published in Metszetek (Debrecen) (01.01.2017)

by Ujhelyi, M, Merker, B, Buk, P, Geissmann, T
Published in Journal of comparative psychology (1983) (01.09.2000)

by Roland, Filep, Mária, Ujhelyi
Published in Régiókutatás szemle (23.05.2023)

by Barizsné Hadházi, Edit, Ujhelyi, Mária, Filep, Roland
Published in Régiókutatás szemle (23.05.2023)

Published in Issues in information systems (2021)

by Ujhelyi, Mária, Kun, András István, Hanesz, Julia
Published in Studia Universitatis Vasile Goldiş Arad. Seria ştiinţe economice (01.04.2017)

by Fedor, Anna, Skollár, Gabriella, Szerencsy, Nóra, Ujhelyi, Mária
Published in Journal of comparative psychology (1983) (01.11.2008)

by Maria-Madela ABRUDAN, Tomina Gabriela SĂVEANU, Mirabela MATEI, Mária UJHELYI
Published in Transylvanian Review of Administrative Sciences (01.06.2015)

by Abrudan, Maria-Madela, Saveanu, Tomina Gabriela, Matei, Mirabela, Ujhelyi, Maria
Published in Transylvanian Review of Administrative Sciences (01.06.2015)

by Ujhelyi Maria, Hadhazi Barizsne Edit, Kun Andras Istvan
Published in Analele Universităţii din Oradea. Ştiinţe economice (01.07.2015)

by Filep, Roland, Ujhelyi, Mária
Published in International journal of engineering and management sciences (11.12.2022)

by UJHELYI Mária, FILEP Roland, BARIZSNÉ HADHÁZI Edit
Published in Analele Universităţii din Oradea. Ştiinţe economice (01.07.2019)

by Ujhelyi, Maria
Published in Journal of theoretical biology (07.05.1996)

by Barizsné Hadházi, Edit, Ujhelyi, Mária
Published in International journal of engineering and management sciences (07.07.2018)

by Filep, Roland, Ujhelyi Mária
Published in Régiókutatás szemle (01.01.2021)

by Ujhelyi, Maria, Merker, Bjorn
Published in Journal of evolutionary biology (01.03.1999)

by Ujhelyi, Mária, Barizsné Hadházi, Edit
Published in International journal of engineering and management sciences (13.02.2018)

by Edit Barizsné Hadházi, Roland Filep, Mária Ujhelyi
Published in Analele Universităţii din Oradea. Ştiinţe economice (01.07.2018)

by Barizsné Hadházi, Edit, Ujhelyi, Mária, Kiss, Zsuzsanna
Published in International journal of engineering and management sciences (30.09.2018)