Academicsera – 682nd International Conference on Science, Technology, Engineering and ManagementICSTEM will be held on 15th-16th May, 2020 at Mecca , Saudi Arabia. ICSTEM is to bring together innovative academics and industrial experts in the field of Science Technology and Management to a common forum. All the registered papers will be published by the World Research Library and will be submitted for review for indexing by Google Scholar etc.