Health education in the control of schistosomiasis /
Health education in the control of schistosomiasis /
World Health Organization.
- Geneva : World Health Organization, 1990.
- 61 p. : ill. ; 24 cm.
92-4-154407-4
Schistosomiasis--Prevention
Health education
92-4-154407-4
Schistosomiasis--Prevention
Health education