1. CISSP guide to security essentials Gregory, Peter H., Australia : Cengage Learning, [2015] FINT301
2. Evaluation: a systematic approach Rossi, Peter H. (Peter Henry), 1921-2006, Thousand Oaks ; Sage, [2019] SW342 SW341
3. The concise Oxford dictionary of linguistics Matthews, P. H. (Peter Hugoe) Oxford : Oxford University Press, 2014. ENG103 ENG160
