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. DOI: 10.53512/valid.v16i2.95. Disponível em: https://journal.stieamm.ac.id/valid/article/view/95. Acesso em: 2 may. 2026.