Wafirotin, Khusnatul Zulfa, and Hadi Sumarsono. “Financial Competence of Micro, Small, and Medium Enterprises in Ponorogo”. TRIKONOMIKA : Jurnal Ekonomi, vol. 16, no. 1, June 2017, pp. 36-42, doi:10.23969/trikonomika.v16i1.417.