Alhloul, Abdelkarim. “Patnaik, S. (ed.): New Paradigm of Industry 4.0: Internet of Things, Big Data &Amp; Cyber Physical Systems”. Hungarian Geographical Bulletin 69, no. 2 (June 30, 2020): 209–212. Accessed October 30, 2026. https://ojs3.mtak.hu/index.php/hungeobull/article/view/3717.