Sadiqin, Amin. 2021. “Implementation of Accounts Receivable Control Against the Risk of Doubtful Accounts at PT. Radhar Delta Bersaudara Sidoarjo Branch”. JURNAL EKONOMI, MANAJEMEN, BISNIS, DAN SOSIAL (EMBISS) 1 (2):109-14. https://www.embiss.com/index.php/embiss/article/view/15.