Fadhli, K., and E. Setyoningrum. “Pengaruh Motivasi, Upah Dan Lingkungan Kerja Terhadap Produktivitas Kerja”. Management and Education Journal, vol. 2, no. 1, Jan. 2024, pp. 1-7, http://managementeducationjournal.com/index.php/mej/article/view/22.