How can I make good presentations and what resources can help me achieve that?

Here are books about presentation skills in work and business. All of these are to be found in HelMet libraries.

Walker, T. J.
How to give a pretty good presentation : a speaking survival guide for the rest of us

Bradbury, Andrew
Successful presentation skills

Navarro, Joe
Louder than words : take your career from average to exceptional with the hidden power of nonverbal intelligence

Gallo, Carmine
The presentation secrets of Steve Jobs : how to be insanely great in front of any audience

Hall, Richard
Brilliant presentations : what the best presenters know, do and say

Arnold, Jackie
Speaking on special occasions

Speechmaker's bible
Rev. and updated / by Nick Marshallsay and Jane Moseley

Jay, Antony
Effective presentation : how to create and deliver a winning presentation

Greene, Don
Performance success : performing your best under pressure

Collins, John
Perfect presentations : a self-development programme : the essential guide to thinking and working smarter

Louise, Bostock
Collins pocket reference speaking in public

Click the link and you'll find a list of handbooks for academic writing:
http://luettelo.helmet.fi/search*fin/X?SEARCH=tutkimusraportit&searchsc…