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Bulgarian Accreditation Service
- www.nab-bas.bg/bg/links
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Bulgarian Institute for Standardization (BDS)
- www.bds-bg.org/
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The Ministry of Regional Development and Public Works
- www.mrrb.government.bg/
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Ministry of the Interior
- www.mvr.bg/
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EGOLF
- www.egolf.org.uk/
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NANDO
- ec.europa.eu/growth/tools-databases/nando/