أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
If you mean PMI PMBOK, It's PMBOK Fifth Edition
PMBOOK5.....
if you are preparing for PMP exam then i beleive RITA PMP EXAM PREP eighth edition can help you more.
5th edition I beleive
5th. Edition
Fifth edition.
PMI PMBOK Fifth Edition
It's fifth edition