The login procedure to access Library resources uses a JASIG Central Authentication Service (CAS) single sign-on for students and staff.
If you did a search on Campus and saved a reference, you won’t be able to access it again from off campus except if you change the link to include the CAS authentication
Williams, S, & Kim, J 2011, E-mentoring in Online Course Projects: Description of an E-Mentoring Scheme, International Journal Of Evidence Based Coaching & Mentoring, 9, 2, pp. 80-95, Business Source Complete, EBSCOhost, viewed 14 August 2012.
Change the link by inserting 0- directly after the // and oasis.unisa.ac.za directly before the first /
By inserting these components in the URL you will be able to access the article you initially searched on campus, from home or remotely. If you don't do this step you will get a dead link.
Also refer to this link for information on the Client authentication process: https://libguides.unisa.ac.za/c.php?g=477580&p=3275057