PURBA, Daniel Gaolan; AZHMY, Muhammad Fauzan; TAMBA, Muller. PENGARUH GAYA KEPEMIMPINAN, MOTIVASI, REWARD DAN PUNISHMENT TERHADAP KINERJA KARYAWAN PT. PERKEBUNAN NUSANTARA II KEBUN HELVETIA. JaManKu: Jurnal Manajemen dan Kewirausahaan, [S. l.], v. 4, n. 2, p. 36–47, 2023. DOI: 10.35447/jamanku.v4i2.820. Disponível em: https://jurnal.harapan.ac.id/index.php/JaManKu/article/view/820. Acesso em: 30 aug. 2025.