Irfan, Irfan, Kusuma Chandra Kirana, and Epsilandri Septyarini. “Pengaruh Disiplin, Lingkungan Kerja Dan Motivasi Terhadap Produktivitas Kerja Karyawan Di PT. Rifan Financindo Berjangka Yogyakarta”. INOVATOR 11, no. 2 (September 1, 2022): 372–383. Accessed November 21, 2024. https://ejournal.uika-bogor.ac.id/index.php/INOVATOR/article/view/7923.