Suhartono, Agus. “PENGARUH PERPUTARAN PIUTANG TERHADAP RETURN ON ASSET PADA PT. SUMBER ALFARIA TRIAJYA TBK PERIODE 2013-2019”. Jurnal Ekonomi Efektif 3, no. 3 (May 4, 2021): 299–305. Accessed December 23, 2024. https://openjournal.unpam.ac.id/index.php/JEE/article/view/10525.