Prayoga, Wigy, Supardi Supardi, and Wisnu Panggah Setiyono. “Analysis of Purchases, Receivables and Cash Flow on Profit Through a Cost Saving System As an Intervening Variable at PT. Kalam Leverage Mulia”. International Journal of Economics Development Research (IJEDR) 4, no. 6 (November 30, 2023): 2727–2740. Accessed July 6, 2025. https://yrpipku.com/journal/index.php/ijedr/article/view/4398.