Тамошюнас, Леонас. 1983. “Research of Role of Librarian-Bibliographical Service in the Party Education System of Shirvintas, Kedainiai and Zarasai District Party Committees of Lithuania”. Knygotyra 17 (10-2): 50–62. https://doi.org/10.15388/Knygotyra.1983.29968.