An evaluation of the effectiveness of the social marketing program for the prevention and control of vitamin A deficiency in Region VI (Western Visayas)
| Главный автор: | |
|---|---|
| Другие авторы: | |
| Формат: | |
| Язык: | English |
| Опубликовано: |
Manila
Department of Health
1990.
|
| Серии: | Technical report series ; no. 6.
|
| Предметы: |