See below public study guides in regards to CPSP-K and APS-K certification:

Constitution of Kenya 2010Download PDF
PPADA Revised Edition 2016Download PDF
The Public Finance Management Act 2012Download PDF
Public Procurement and Asset Disposal Regulations 2020Download PDF
PPADA 2015 Amendments Kenya Gazette Supplement 2022Download PDF
National Supply Chain Professional Framework Gazette Vol.-263-28-12-21Download PDF
Executive-Order-No-1-of-2022-Organization-of-the-Government-of-the-Republic-of-KenyaDownload PDF