00767nam a22002177a 4500 56825 56825 BD-DhIDS 20260520121508.0 260520b fr||||| |||| 00| 0 eng d BD-DhIDS BD-DhIDS BD-DhIDS Eng 020 UNESCO Duyvis, F. Donker Document reproduction services : their efficient organization and management / F. Donker Duyvis; M. E. Schippers France : UNESCO, 1961 23 p. : 20 cm. Includes bibliographical references and index. Library & information science Reproduction services Schippers, M. E. United Nations Educational Scientific and Cultural Organization (UNESCO) ddc BK 0 0 ddc 0 0 NFIC BIDSLDC BIDSLDC GEN 2026-05-20 020 UNESCO 010455 2026-05-20 C-01 2026-05-20 BK