Zulfa, Nafa, et al. “CLOUTIDY: A CLOUD-BASED SUPPLY CHAIN MANAGEMENT SYSTEM USING SEMAR AND BLOCKCHAIN SYSTEM”. JUTI: Jurnal Ilmiah Teknologi Informasi, vol. 18, no. 2, July 2020, pp. 68-75, https://doi.org/10.12962/j24068535.v18i2.a937.