Rosida, and Diah Hari Suryaningrum. “PENYULUHAN PRODUKSI DAN ANALISIS USAHA YOGHURT UWI UNGU DI UD ARFIZH SURABAYA”. JATEKK 2, no. 1 (May 22, 2024): 50–54. Accessed September 19, 2024. https://jatekk.upnjatim.ac.id/index.php/jatekk/article/view/45.