CC BY 3.0Johnson, SharonEvensen, Ole GunnarGelfand, JuliaLammers, GlendaSipe, LynnZilper, NadiaIFLA Acquisition and Collection Development SectionFronty, JérômeHafner, JosephMansfield, JudyOkerson, AnnSchmolling, Regine2021-03-232013-07-042021-03-232013-07https://repository.ifla.org/handle/20.500.14598/423The purpose of this Guide is to help develop an awareness of the key issues that every library will need to consider and address in developing an e-portfolio. The Guide is not intended to be exhaustive, but is written to provide a reasonable and informed introduction to the wide range of issues presented by e-resources.bghttps://creativecommons.org/licenses/by/3.0/Subject::Collection developmentКлючови проблеми в развитието на колекциите от електронни ресурси: Ръководство за библиотекиKey Issues for e-Resource Collection Development: A Guide for LibrariesStandardsInternational Federation of Library Associations and Institutions (IFLA)