Enverga report on the special exploratory mission to the socialist countries, July 12 to December 22, 1967
| Egile nagusia: | |
|---|---|
| Erakunde egilea: | |
| Formatua: | Liburua | 
| Hizkuntza: | English | 
| Argitaratua: | Manila
          Congress of the Republic of the Philippines
    
        1968. | 
| Saila: | Amando E. Doronila papers Box no. 98 | 
| Gaiak: |