DIGITAL QUALITY CERTIFICATE   BULGARIA-90PK40   Borovets     for 1st place in category: Wafers   QUDAL - QUality meDAL - GENERAL I - BULGARIA 2016/2017 Examinees / Respondents Sample: General population (Internet users older than 15) in Bulgaria (N=1,200) Methodology: CAWI - DEEPMA (Computer Assisted Web Interviewing - Deep Mind Awareness)   Research time: January, 2016 ICERTIAS - International Certification Association GmbH, Zurich, Switzerland   Date of certification: 9 March, 2016   This certificate is valid until: 01.01.2018   Copyright © 2023, ICERTIAS - International Certification Association GmbH, Zurich, Switzerland. All rights reserved.