How to build better participative digital libraries and their user communities – Insights from the user study of the Facebook heritage group “Zagreb kakav je bio nekada” (Zagreb as it used to be). libellarium [Internet]. 2017 Mar. 6 [cited 2026 May 11];9(2):231-50. Available from: https://morepress.unizd.hr/journals/index.php/libellarium/article/view/3818