HAFIFAH, Aliyah Nur. Annual Financial Statement of PT Essar Indonesia Employee Saves and Loan Cooperative for Financial Year 2021 Balances 31 December 2021. Operations Research: International Conference Series, [S. l.], v. 1, n. 3, p. 74–80, 2020. DOI: 10.47194/orics.v1i3.143. Disponível em: https://www.iorajournal.org/index.php/Orics/article/view/143. Acesso em: 14 jan. 2026.