Most of these links trace back to gov.uk resources but may still be a useful for private sector procurement specialist for best practice.
A AI
B Business case guidance (gov/ treasury green book)# Buying Standards #Buying green handbook
D Digital Market Place. Definitions- i.e. professional services
E
F #Frameworks #CCS #ESPO #Bloom #YPO # LUPC# SUPC# LGPS#CPC
H
J
K
L
N NDA Source Gov.uk
Q
R
T
U
V
W
X
Y
Z