Setyawan, S. , Nasehati S, S. and Prativi, A. 2021. The Effect of Promo Price and Product Variation on Purchasing Decision at Grabfood, OVO Payment as an Intervening Variables. Nusantara Science and Technology Proceedings. 4, 4 (Jun. 2021), 212-219. DOI:https://doi.org/10.11594/nstp.2021.1026.