Yuliani, F., and S. Khotijah. “Peran Pengendalian Internal Terhadap Persediaan Barang Pada PDAM Tirta Dharma Salatiga”. Jesya (Jurnal Ekonomi Dan Ekonomi Syariah), Vol. 4, no. 1, Dec. 2020, pp. 248-55, https://stiealwashliyahsibolga.ac.id/jurnal/index.php/jesya/article/view/309.