Antonijević, Marija, Isidora Ljumović, and Velimir Lukić. 2021. “Are Digital Financial Payments Constrained by the country’s Income? Evidence from the Global Findex Database”. Anali Ekonomskog Fakulteta U Subotici 57 (46), 115-29. https://doi.org/10.5937/AnEkSub2146115A.