Muafi, Muafi. “Pengaruh Motivasi Spiritual Karyawan Terhadap Kinerja Religius: Studi Empiris Di Kawasan Industri Rungkut Surabaya (Sier)”. Jurnal Siasat Bisnis 1, no. 8 (August 19, 2009). Accessed April 24, 2024. https://journal.uii.ac.id/JSB/article/view/1017.