1. Department of Statistics, Malaysia (1978?1987) Industrial Surveys, annual.
2. Department of Statistics, Malaysia (1978?1987), Rubber Statistics Handbook, annual.
3. Department of Statistics, Malaysia (1978, 1983), Input-output Tables for 1978 and 1983.
4. Department of Statistics, Malaysia (1978?1987), Oil palm, Cocoa, Coconut and Tea Statistics Handbook, annual.
5. Department of Statistics, Malaysia (1978?1987), The Producer Price Index for Peninsular Malaysia.