Basallama, Ahmad Darajat, and Maya Ariyanti. “The Influence of Reference Group on Purchase Decision of Iphone Products With Lifestyle As A Moderating Variable (Case Study: Iphone Product Users In Indonesia)”. Jurnal Manajemen Indonesia, vol. 23, no. 1, Apr. 2023, pp. 73-82, doi:10.25124/jmi.v23i1.4178.