SeptianR. D. “Analisis Pengaruh Lingkungan Kerja Terhadap Kinerja Karyawan pt.Temprina Media Grafika Gresik”. Jurnal Valtech, Vol. 3, no. 2, Sept. 2020, pp. 205-10, https://ejournal.itn.ac.id/index.php/valtech/article/view/2682.