VARNIENĖ, Regina. The main ways and methods of the development of the information bibliographic services of the complex programs. Knygotyra, [S. l.], v. 22, n. 15-2, p. 39–49, 1988. DOI: 10.15388/Knygotyra.1988.36560. Disponível em: https://test.zurnalai.vu.lt/knygotyra/article/view/36560. Acesso em: 25 oct. 2025.