Lestari LR, Maryanti E. Implementation of Internal Control in the Accounting Information System of Credit and Cash Sales at PT Wings Surya in Surabaya: Penerapan Pengendalian Intern Pada Sistem Informasi Akuntansi Penjualan Kredit dan Tunai Pada PT Wings Surya di Surabaya. acopen [Internet]. 2021Dec.24 [cited 2025Apr.21];5:10.21070/acopen.5.2021.1808. Available from: https://acopen.umsida.ac.id/index.php/acopen/article/view/1808