Deshapriya, A., Weerakoon, W., Wickramasinghe, H., Tennakoon, T., Jayasinghe, B., Hirunika, S., Dulshan, H., Perera, M., Maddage, M., Munasinghe, D., Jayarathna, D., Senanayake, M. M. V. and Perera, G. (2025) “A dual-phase financial strategy for sustainable customer loyalty: Integrating fixed deposits and voucher systems in Sri Lankan supermarket retail”, Economics, Management and Sustainability, 10(1), pp. 113–126. doi: 10.14254/jems.2025.10-1.8.