The law and rules on the Philippine metric system effective January 1, 1983 with primer, tables, charts, and illustrations for conversion.
| Autor corporatiu: | , , | 
|---|---|
| Format: | Llibre | 
| Idioma: | English | 
| Publicat: | Quezon City
          Philippine Law Gazette
    
        1983. | 
| Matèries: |