Putri, R. L. “ANALISIS BREAK EVEN POINT SEBAGAI ALAT BANTU PERENCANAAN LABA (Studi Kasus UMKM Batik Djoyokoesomo Blitar)”. BENEFIT , Vol. 4, no. 1, July 2017, pp. 41-54, https://journal.unita.ac.id/index.php/benefit/article/view/96.