• Millennials' brand attachment and ecological systems theory [Online resource]Riivits-Arkonsuo, Iivi; Leppiman, AnuProceedings of 15th International Marketing Trends Conference : January 21st-23rd 2016, Venice2016 / p. 1-12 : ill http://www.marketing-trends-congress.com/archives/2016/pages/PDF/RIIVITS-ARKONSUO_LEPPIMAN.pdf