Watch this video from Ms Keen explaining how to navigate this libguide, create a search string and use the State Library database and Google Scholar. (If you can't see the video, log in to Youtube or click this link.)
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This database provides abstracts and indexing for key psychology titles, many which are available in full text. Many titles are indexed in PsycINFO. Coverage ranges from behavioural, clinical, cognitive, developmental, experimental, industrial and social psychology, along with personality, psychobiology and psychometrics.
Download one of these browser extensions and it will find any open access copies (if available) of an article you need.