Hartani, Tuti, et al. “PEMBENAHAN SISTEM INVENTORI UKM SUMBER BERKAT MANDIRI, BLITAR, JAWA TIMUR”. Jurnal Sekretari Universitas Pamulang, vol. 8, no. 2, Sept. 2021, pp. 119-26, doi:10.32493/skr.v8i2.12963.