1. Alma-Ata primary health care;World Health Organization;Health for All Series,1978
2. Man-machine symbiosis in the assistance and training of rural health workers: A proposal;Goldberger,1983
3. BLAISE: A portable CMOS bio-terminal programmable in Pascal;Tavernier,1982
4. Selection of Essential Drugs;World Health Organization;Technical Report No. 641,1980