Oliveron, C., M. Torreta, L. Esperon, J. Aburido, T. Tolentino, and Eiza R. Adduru, MBA. 2019. “Proposed Office Procedure in Accounting and Sales Department of ABC Company”. Ascendens Asia Singapore – Bestlink College of the Philippines Journal of Multidisciplinary Research 1 (1). https://ojs.aaresearchindex.com/index.php/aasgbcpjmra/article/view/1869.