The full publication is attainable at following link: https://rtk.uni-nke.hu/document/rtk-uni-nke-hu/Hatrend_Tan_2021_2_szam.pdf?fbclid=IwAR2D4kKJS_U3oQUwBFvCEvNZ-Oxv4OZi6E8ZKByWISCF-SkJsdr9NoQnsNg
