A study of the status of the health and sanitation aspect of the community school program in the province of Ilocos Sur [microform]
| 主要作者: | |
|---|---|
| 格式: | Visual Material |
| 语言: | English |
| 出版: |
Quezon City
Photoduplication Service, University of the Philippines Library
1976.
|
| 主题: |