1. Implementing primary health care: experiences since Alma-Ata;Streefland,1990
2. The place of epidemiology in local health work. The experience of a group of developing countries,1982
3. Manual for the atraumatic restorative treatment approach to control dental caries;Frencken,1997
4. Khanh N D, Dunvard C. Analysis of toothpastes in Vietnam. The national scientific congress 1998.
5. van Palenstein Helderman W H, Truin G J, Can N, et al. The possibility of previous epidemiological data to serve as baseline for future national oral health surveys – a study in Vietnam. Int Dent J (in press).