Items where Author is "Umam, Khoirul"
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Umam, Khoirul and ., Sutia Budi, S.E., M.M (2022) Pengaruh Sikap Kerja dan Manajemen Produktivitas Terhadap Produktivitas Kerja Karyawan Koperasi Permata Bank. UNSPECIFIED thesis, UNSPECIFIED.