Muhsin, Muhammad, Julkarnain, and Ismail Nasution. “Pengaruh Motivasi Kerja Dan Lingkungan Kerja Terhadap Prestasi Kerja Pegawai PT. Jekael Invesco”. Surplus: Jurnal Ekonomi dan Bisnis 5, no. 1 (August 9, 2026): 1261–1276. Accessed October 23, 2026. https://yptb.org/index.php/sur/article/view/2263.