Game on! How gamified loyalty programs boost customer engagement valueHollebeek, Linda Desiree; Das, Kallol; Shukla, YupalInternational journal of information management2021 / art. 102308, 10 p. : ill https://doi.org/10.1016/j.ijinfomgt.2021.102308 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS