Enverga report on the special exploratory mission to the socialist countries, July 12 to December 22, 1967 - Enverga, Manuel S.; Philippines. Congress (1940-1973). House of Representatives. Committee on Foreign Affairs (Manila Congress of the Republic of the Philippines, 1968)
Sixth Congress of the Republic of the Philippines Third Session.
Keywords: Philippines -- Foreign relations -- Communist countries; Communist countries -- Foreign relations -- Philippines