ALPYA, Lily; ELVINA, Elvina; RAFIKA, Mulya. Human Resources Performance Improvement Through Motivation, Disipline, Work Environment, and Commitment in PT. Supra Matra Abadi PMKS Aek Nabara. Quantitative Economics and Management Studies, [S. l.], v. 3, n. 4, p. 515–524, 2022. DOI: 10.35877/454RI.qems982. Disponível em: https://qemsjournal.org/index.php/qems/article/view/982. Acesso em: 19 jun. 2026.