MAGHFIROH, Rahma Ulfa. Konsep Nilai Waktu dari Uang dalam Sudut Pandang Ekonomi Islam. El-Qist: Journal of Islamic Economics and Business (JIEB), Surabaya, Indonesia, v. 9, n. 2, p. 186–195, 2020. DOI: 10.15642/elqist.2019.9.2.186-195. Disponível em: https://jurnalfebi.uinsa.ac.id/index.php/elqist/article/view/233. Acesso em: 20 feb. 2026.