Narodnostopan. arh. - Narodnostopanski arhiv = Economic Archive129228 (ISSN : 0323-9004, EISSN : 2367-9301)Published by D. A. Tsenov Academy of Economics - Svishtovhttps://nsarhiv.uni-svishtov.bg/default.asp?magazine=7SHERPA/RoMEOVoir les documents associés Exporter Export XML Export RDF