docs: def reference_links(doc):
      """Get reference links"""
      if doc.get('type') == 'organisation' and doc.get('state') != 'deactivated':
          for asset_id_type, link in doc.get('reference_links', {}).get('links', {}).items():
              value = {
                  'organisation_id': doc['_id'],
                  'link': link
              }
              yield asset_id_type, value