N. Zulfa, H. Firdausi, and R. Asyrofi, “CLOUTIDY: A CLOUD-BASED SUPPLY CHAIN MANAGEMENT SYSTEM USING SEMAR AND BLOCKCHAIN SYSTEM”, JUTI, vol. 18, no. 2, pp. 68–75, Jul. 2020, doi: 10.12962/j24068535.v18i2.a937.