Mardhotillah, R.R. , Karya, D.F. and Rosyad, M.A. 2021. The Influence Of Price, Product Quality And Brand Image On Purchase Decisions (Study At Nahdlatul Ulama University Students Of Surabaya UsingInk Brand Helmet). Procedia Business and Financial Technology. 1, (Aug. 2021). DOI:https://doi.org/10.47494/pbft.2021.1.11.