1. Asian Development Bank. (1985). Report on health services planning in Malaysia.
2. Balasubramaniam, K. (1995). Health care services in rapidly developing countries. Malaysian Doctor, June 15, 13–15.
3. The growth of corporate private hospitals in Malaysia;Barraclough;International Journal of Health Services,1997
4. Should evaluation become implementation;Browne,1984
5. Effect of managed care on cardiovascular specialists;DeMaria;JACC,1996