ISBN 983-42834-1-5, ISBN 978-983-42834-1-4, P59 OoiKeeBeng. Wikibeng. [2017-05-05]. (原始内容存档于2021-05-05) (美国英语). Ooi, KeeBeng. In Lieu of Ideology: An Intellectual
烏魯吡叻江沙及近打實施戶口登記內政部長敦義斯邁宣佈. eresources.nlb.gov.sg. [2021-06-06]. (原始内容存档于2021-06-06). Ooi, KeeBeng (18 January 2007). The Reluctant Politician: Tun Dr Ismail and His Time
“Implementing Pro-Employment Policies at the Sub-national Level” in OoiKeeBeng and Goh Ban Lee (eds) Pilot Studies for a New Penang, Penang: Socio-Economic