Mystery Shopping Research by Business İnsight (eng) Mystery Shopping Research by Business Insight Heyat terzi_hesabat_Aprel 2016 Business Insight International Reserach Group Heyat terzi report (Mart 2016) Lifestyle report report (March 2016) Heyat_Terzi _Report (Fevral 2016) Heyat terzi report (yanvar 2016)_eng version Heyat terzi report (yanvar 2016) Heyat terzi arashdirmasi hesabat (2) Business Insight "təcrubə" presentation Telebe heyat terzi arashdirmasi hesabat Consumer behavior of university students Survey of hotels 2013 rus 
