1. Urban areas are defined ‘as gazetted areas of population of 10 000 and above’ Third Malaysia Plan 1976–1980, para 452.
2. Mid-Term Review of the Fourth Malaysia Plan 1981–1985;Prime Minister's Department,1984
3. Mid-Term Review of the Fourth Malaysia Plan 1981–1985;Prime Minister's Department,1984
4. Third Malaysia Plan in Brief;Prime Minister's Department,1978
5. Fourth Malaysia Plan 1981–1985;Prime Minister's Department,1981