Madyaratry, L. H., Hardjomidjojo, H., & Anggraeni, E. (2020). The Mapping of Sustainability Index in Small and Medium Enterprises: A Case Study in Lampung Indonesia. Jurnal Teknik Industri, 21(1), 58–69. https://doi.org/10.22219/JTIUMM.Vol21.No1.58-69