Eliyana, Anis. “ANALISIS DISIPLIN KERJA DAN SEMANGAT KERJA KARYAWAN DI BAGIAN PRODUKSI PADA PT. SEI BELAYAN RIMBA JAYA TIMBER INDUSTRIES DI GRESIK”. BALANCE: Economic, Business, Management and Accounting Journal, vol. 4, no. 01, Juli 2007, doi:10.30651/blc.v4i01.712.