Fardiansyah, A. Pulungan, R. Sitorus, and M. M. Rizky. “Implementation of User Centered Design Method on E-Catalog Information System of UMKM in South Aceh Agency”. Jurnal Inotera, Vol. 6, no. 2, Dec. 2021, pp. 134-4, doi:10.31572/inotera.Vol6.Iss2.2021.ID155.