Pangestika, Widiasti, et al. “PENGARUH WORK MOTIVATION WORK DISCIPLINE DAN WORK ENVIRONMENT TERHADAP KINERJA KARYAWAN DI SPBU 54 611 20 BUNDER GRESIK”. JEKMA (Jurnal Ekonomi Mahasiswa), vol. 3, no. 4, July 2022, https://jurnalekonomi.unisla.ac.id/index.php/JEKMA/article/view/1317.