“Pengaruh Standar Produksi Air Dan Pelayanan Distribusi Terhadap Loyalitas Pelanggan PUDAM Tirta Bina Labuhanbatu”. 2025. Indo-Fintech Intellectuals: Journal of Economics and Business 5 (1): 4012-25. https://doi.org/10.54373/ifijeb.v5i1.2820.