20th IASTEM - 762nd International Conference on Science Technology and Management (ICSTM) - Singapore , Singapore 20th IASTEM - 762nd International Conference on Social Science and Humanities (ICSSH) - Singapore , Singapore 20th IASTEM - 760th International Conference on Recent Advances in Engineering and Technology (ICRAET) - Singapore , Singapore 20th IASTEM- 760th International Conference on Mechanical and Aerospace Engineering (ICMAE) - Singapore , Singapore 20th IASTEM- 763rd International Conference on Environment and Natural Science (ICENS) - Singapore , Singapore http://conferencealerts.org/country_event.php?country=Singapore