1.
Ramanathan T, Peramunagama SSM. Estimating the Willingness to Pay for Existing Domestic Drinking Water Service: Residential Customer Satisfaction Index Model . Adv. Technol. [Internet]. 2021 Dec. 5 [cited 2025 Jun. 8];1(3):472-8. Available from: http://journals.sjp.ac.lk/index.php/ait/article/view/5293