Hakim, Lukman Nuzul. “Effect of Product Quality and Service Quality on Customer Loyalty With Customer Satisfaction As an Intervenning Variables (Case Study on the Tirta Jasa Lampung Selatan Regional Company (PDAM))”. Economit Journal: Scientific Journal of Accountancy, Management and Finance 1, no. 1 (February 9, 2021): 48-56. Accessed December 3, 2024. http://www.biarjournal.com/index.php/economit/article/view/374.