NADRA, F. A.; KURNIAWAN, H.; HILMAN, M. H. PROPOSED ARCHITECTURE AND THE DEVELOPMENT OF NFCAFE: AN NFC-BASED ANDROID MOBILE APPLICATIONS FOR TRADING TRANSACTION SYSTEM IN CAFETARIA. Jurnal Ilmu Komputer dan Informasi, v. 6, n. 1, p. 28-33, 21 Oct. 2013.