Enverga report on the special exploratory mission to the socialist countries, July 12 to December 22, 1967
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| Autor Corporativo: | |
| Formato: | Libro | 
| Lenguaje: | English | 
| Publicado: | Manila
          Congress of the Republic of the Philippines
    
        1968. | 
| Colección: | Amando E. Doronila papers Box no. 98 | 
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