The Department of Immigration and Border Protection has an excellent “Migration Blog” which informs international students of different aspects of the student visa. Please visit these links which will help you understand and clarify information on work rights while you are studying in Australia:
http://migrationblog.immi.gov.au/2014/06/05/working-while-studying-in-australia/
https://skilledmigration.govspace.gov.au/2014/09/23/working-while-on-your-student-visa/