yeah i did workplace last year, i really got into it by the end of it. I also did economics and business and that gave me a good grounding for the topic.
If you wanna get a headstart on it, get started on the background into workplace law. It can be a bit boring but if you get that outta the way you might be able to understand better the developments in workplace law.
Also, look into a case study if you want. I found the James Hardie stuff really interesting. If your interested in the James Hardie case have a look at: