Satitsamitpong, Manit, Tokio Otsuka, Toshiya Jitsuzumi, and Hitoshi Mitomo. 2013. “An Analysis of Demand-Based Factors for Broadband Migration”. Asian Journal of Applied Economics 19 (2):1-17. https://so01.tci-thaijo.org/index.php/AEJ/article/view/10278.