IndiyantiR. (2020) “Return On Asset (Roa) Analysis Using Du Pont System Method In PT. Ultrajaya Milk Industry And Trading Company Tbk” (2015-2018 Period)”, IJIEEB International Journal of Integrated Education, Engineering and Business eISSN 2615-1596 pISSN 2615-2312, 3(2), pp. 94 - 103. vailable at: https://jurnal.narotama.ac.id/index.php/ijieeb/article/view/1170 (ccessed: 5December2024).