Vebryanty E, Yuliana Y. Pengaruh Kualitas Pelayanan Air Bersih dan Sistem Informasi Biaya Tagihan Air Terhadap Kepuasan Pelanggan PDAM Tirta Silaupiasa Kisaran. IJESPG [Internet]. 2024 Mar. 7 [cited 2025 Nov. 2];2(1):148-60. Available from: http://ijespgjournal.org/index.php/ijespg/article/view/101