1.
Indiyanti R. Return On Asset (Roa) Analysis Using Du Pont System Method In PT. Ultrajaya Milk Industry And Trading Company Tbk” (2015-2018 Period). ijieeb [Internet]. 30Sep.2020 [cited 5Dec.2025];3(2):94 -103. Available from: http://jurnal.narotama.ac.id/index.php/ijieeb/article/view/1170