Articles of interest
Click on the link below that will take you to the NFAA magazine with an article where 3D shooting is the preparation for successful hunting. It starts on page 6 and 7 of the magazine.
Shoot 3D to prepare for hunts
Archery Ethics
Rangefinder discussions
Why use rangefinders
Are rangefinders ethical from Buwhuntung .net
Texas ASA allows rangefinders at events
Success stories of clubs and rangefinders
Eastmans hunting journal
Shot selection while bowhunting

Links below will give you tips on ways to improve on your Form.
Form Flaws for Better Archery part 1....page 14 of this link
Form Flaws for Better Archery part 2....page 19 of this link
What is a cut chart and how will it make you a more lethal hunter