Journal article Implementation in LIS Programs in SULSIT of the Findings from International Research about Reference Service Competencies İvanka YANKOVA · Tania TODOROVA Published2013-05-31Pages217-225Article typeResearch PaperLanguageen DOI10.1501/OTAM_0000000509 ↗ Read at the publisher ↗ View PDF ↗ Abstract. Keywords xx 46 views · 14 downloads