Ruli Widyaningtyas, et al. “Increasing PDAM Employee Performance Based on Human Resource Quality, Job Satisfaction and Professionalism”. Al-Muhasabah: Jurnal Ekonomi, Manajemen, Akuntansi Dan Keuangan, vol. 2, no. 1, July 2025, pp. 42-55, https://journal.syamilahpublishing.com/muhasabah/article/view/108.