Okrŭzhna nauchno-teoreticheska konferent͡sii͡a "Georgi Dimitrov i bŭlgaro-sŭvetskata druzhba" (1982 Pleven, Bulgaria)

• Materiali ot Okrŭzhnata nauchno-teoreticheska konferent͡sii͡a "Georgi Dimitrov i bŭlgaro-sŭvetskata druzhba," provedena na 10, VI, 1982 g