An evaluation of the effectiveness of the social marketing program for the prevention and control of vitamin A deficiency in Region VI (Western Visayas)
| Prif Awdur: | |
|---|---|
| Awduron Eraill: | |
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
Manila
Department of Health
1990.
|
| Cyfres: | Technical report series ; no. 6.
|
| Pynciau: |