1. Abu, S. T., & Tsuji, M. (2010). The determinants of the global mobile telephone deployment: an empirical analysis. Informatica Economică, 14(3), 21–32.
2. Ajzen, I. (1991). The theory of planned behaviour. Organizational Behavior and Human Decision Processes, 50, 179–211.
3. Ajzen, I., & Fishbein, M. (1980). Understanding attitudes and predicting social behavior. Englewood Cliffs, NJ: Prentice-Hall.
4. Aker, J. C., & Fafchamps, M., (2010). How does mobile phone coverage affect farm-gate prices? Evidence from West Africa, Department of Economics and the Fletcher School, Tufts University.
5. Akpan, U. S., Isihak, S. R., & Asongu, S. A., (2014). Determinants of foreign direct investment in fast-growing economies: a study of BRICS and MINT, African Governance and Development Institute Working Paper No. 14/002.