Kuswati, R., S. Soepatini, and N. Hidayati. “PEMBERDAYAAN UMKM SABUN SUSU PADA KUBBB SEGAR ARUM DI BOYOLALI”. Jurnal Penamas, Vol. 5, no. 2, Sept. 2021, pp. 50 -60, https://www.unisbank.ac.id/ojs/index.php/penamas/article/view/8697.