Chathuranga, L.L.G.; Rathnayaka, R.M.; Arumawadu, H.I.; Chathurangi, K.A.A.
(Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2020-01-22)
Customers are the center of all focuses on almost every industry that offers products and services. Successful business practitioners are those who understand their customers and fulfill their needs. For that, customer ...