Generally the author of lecture notes is the lecturer responsible for them. Similarly for a powerpoint delivered as part of a lecture. The title should be the title of the powerpoint - which you have given in your question. There is some more info on our website: https://www.lib.uts.edu.au/help/referencing/harvard-uts-referencing-guide/other-sources
Answers
Generally the author of
Generally the author of lecture notes is the lecturer responsible for them. Similarly for a powerpoint delivered as part of a lecture. The title should be the title of the powerpoint - which you have given in your question. There is some more info on our website: https://www.lib.uts.edu.au/help/referencing/harvard-uts-referencing-guide/other-sources