GUNAWAN, Ahmad. KONSEP MOTIVASI DALAM MEWUJUDKAN PRODUKTIVITAS KARYAWAN PADA PT NANBU PLASTICS INDONESIA. Valid: Jurnal Ilmiah, [S. l.], v. 16, n. 2, p. 188–193, 2019. Disponível em: https://journal.stieamm.ac.id/valid/article/view/95. Acesso em: 4 feb. 2025.