NASIP SAHAT MARTOGI; BAHDIN NUR TANJUNG; JOPINUS SARAGIH; MUHAMMAD YUNUS; MHD RAMADHAN5. Optimization of Employee Performance Through Improving Public Service Quality at The Department of Public Works, Spatial Planning, and Transportation of Pakpak Bharat Regency. SANTRI : Jurnal Ekonomi dan Keuangan Islam, [S. l.], v. 4, n. 4, p. 215–231, 2026. DOI: 10.61132/santri.v4i4.2820. Disponível em: https://journal.areai.or.id/index.php/SANTRI/article/view/2820. Acesso em: 12 nov. 2026.