* The Encyclopedia of Malaysia: Early History (1988)
* The Encyclopedia of Malaysia: Modern History (1989)
* The Encyclopedia of Malaysia: Peoples and Culture (1991)
* The Encyclopedia of Malaysia: Religions and Beliefs (1993)
* The Encyclopedia of Malaysia: Arts and Literature (1994)
* The Encyclopedia of Malaysia: Science and Technology (1996)
* The Encyclopedia of Malaysia: Environment and Resources (1998)
* The Encyclopedia of Malaysia: Economy and Development (2000)
* The Encyclopedia of Malaysia: Government and Politics (2002)
* The Encyclopedia of Malaysia: Foreign Relations (2004)
* The Encyclopedia of Malaysia: Education (2006)
* The Encyclopedia of Malaysia: Health (2008)
* The Encyclopedia of Malaysia: Sports and Recreation (2010)
* The Encyclopedia of Malaysia: Tourism (2012)
Articles
* "Malaysia: A Historical Perspective" (1986)
* "The Malay Rulers and the British: A Study in Colonial Hegemony" (1987)
* "The Malay Political Elite and the UMNO: A Study in Factionalism" (1989)
* "The Islamic Resurgence in Malaysia: A Study in Political Islam" (1991)
* "The Malaysian Economy: A Study in Economic Growth and Development" (1993)
* "The Malaysian Society: A Study in Pluralism and Social Harmony" (1995)
* "The Malaysian Education System: A Study in Educational Development" (1997)
* "The Malaysian Health System: A Study in Health Care and Medical Services" (1999)
* "The Malaysian Sports System: A Study in Sports and Recreation" (2001)
* "The Malaysian Tourism Industry: A Study in Tourism Development" (2003)
Other Works
* Editor, Sejarah Melayu (1988)
* Editor, Hikayat Hang Tuah (1990)
* Editor, Sejarah Johor (1992)
* Editor, Sejarah Pahang (1994)
* Editor, Sejarah Perak (1996)
* Editor, Sejarah Kedah (1998)
* Editor, Sejarah Kelantan (2000)
* Editor, Sejarah Terengganu (2002)
* Editor, Sejarah Sabah (2004)
* Editor, Sejarah Sarawak (2006)