fajar, deddy ahmad. “Kajian Perbedaan Time Value Of Money Atau Economic Value Of Time Dalam Perspektif Syariah”. Jurnal Ilmiah Ekonomi Islam 7, no. 3 (November 2, 2021): 1435–1440. Accessed October 15, 2025. https://jurnal.stie-aas.ac.id/index.php/jei/article/view/2624.