Here are a few links I use regularly and some useful ones…
Helderberg Target Archery Club (my local club)
Cape Winelands Archery Federation (CWAF)
Western Cape Archery Federation (WCAF)
South African National Archery Association (SANAA)
World Archery
A very informative bow tuning video by Chris Hill – Youtube video
Trueflight Fletching Guide
Trueflight Feathers Feather Facts
Online archery stores that I use regularly.
Alternative Sporting Services
Lancaster Archery Supply