HASMY, Zulfahry Abu. Konsep Produktifitas Kerja Dalam Islam . Balanca : Jurnal Ekonomi dan Bisnis Islam, [S. l.], v. 1, n. 2, p. 196–211, 2019. DOI: 10.35905/balanca.v1i2.1144. Disponível em: https://ejurnal.iainpare.ac.id/index.php/balanca/article/view/1144. Acesso em: 3 feb. 2026.