Materials, computer engineering and education technology selected peer-reviewed full text papers from the International Conference on Materials, Computer Engineering and Education Technology (MCEET 2020) : selected, peer-reviewed papers from the International Conference on Materials, Computer Engineering and Education Technology (MCEET 2020), December 19-20, 2020, Sanya, China / - Salem, Abdel-Badeeh M.; Gorlatch, Sergei. (Scientific.Net :, 2021)