ZERLINDA, Naila. Produktivitas Kerja Pegawai dalam Pengelolaan Sistem E-Surat di Sekretariat DPMPTSP Kota Surabaya. Future Academia : The Journal of Multidisciplinary Research on Scientific and Advanced, [S. l.], v. 4, n. 2, p. 850–862, 2026. DOI: 10.61579/future.v4i2.788. Disponível em: https://ejournal.sagita.or.id/index.php/future/article/view/788. Acesso em: 28 jul. 2026.