16th 18th JOHANNESBURG International Conference on Science, Engineering, Technology and Waste Management,Johannesburg, South Africa

16th 18th SOUTH AFRICA International Conference on Agricultural, Chemical, Biological and Environmental Sciences,Johannesburg, South Africa

16th 18th JOHANNESBURG International Conference on Education, Economics, Humanities and Social Sciences,Johannesburg, South Africa

13th 2021 IEEE 12th International Conference on Mechanical and Intelligent Manufacturing Technologies (ICMIMT 2021),Cape Town, South Africa

13th 2021 7th International Conference on Information Management and Industrial Engineering (ICII 2021),Cape Town, South Africa