R.O.I. Digitale Coupon Marketing Jan 15, 2021 Jan 15, 2021 Jordy Aengeveld https://www.coupontools.com/nl/blog/173/mobile-marketing-campaigns-with-accurate-return-on-investment-roi-overview Coupontools 173 10173 5 out of 5 based on 203 user ratings. Article published by: Coupontools Tags: Digital coupons ROI digital coupons return on investment money spent value