Saving energy with green roofs by measuring and calculating the thermal parameters of soil. - Szlivka F. Daniel; Zoltan Rajnai (SISY, 2015)

Big data, as part of the critical infrastructure. - Zoltan Nyikes; Zoltan Rajnai (SISY, 2015)

Labor market risks of industry 4.0, digitization, robots and AI. - Zoltan Rajnai; István Kocsis (SISY, 2017)

The review of the external risk factors during the operation training plan of the security guards. - Aniko Szabo; Zoltan Rajnai (SISY, 2017)

Password Usage among Users of Smart Devices in Hungary and Serbia. - Dorottya Mandic; Gábor Kiss; Zoltan Rajnai (SACI, 2024)