1. Baltagi, B. H. (2013). Econometric analysis of panel data.5rd Edition. John Wiley: Europe.
2. Bruderl, J. (2005). Panel data analysis. University of Mannheim, March.
3. Davidson, R., & MacKinnon, J. G. (2008). Bootstrap inference in a linear equation estimated by instrumental variables. Econometric Journals, 11, 443-477.
4. Faustino, H. C., & Leitao, N. C. (2007). Intra-industry trade: A static and dynamic panel data analysis. International Advances in Economic Research, 13, 313-333.
5. Greene, W. H. (2008). Econometric Analysis. Upper Saddle River, NJ: Pearson Prentice Hall.
6. Gujarati, D. N. (2003). Basic Econometrics, International Edition - 4th Edition: McGraw-Hill Higher Education.
7. Gujarati, D. N. & Porter, D. C. (2009). Basic Econometrics, International Edition - 5th Edition.: McGraw-Hill Higher Education.
8. Hsiao, C. (2014). Analysis of panel data. 3rd Edition. Cambridge University Press: New York.
9. Hsiao, C. (2006). Panel data analysis - Advantages and challenges. Institute for Economic Policy Research(IEPR) Working Paper, 6(49).
10. Nwakuya, M. T, & Ijomah, M. A. (2017). Fixed effect versus random effects modelling in a panel data analysis: A consideration of economic and political indicators in six African countries. International Journal of Statistics and Applications, 7(6), 275-279.
11. Park, H. M. (2011). Practical guides to panel data modelling: A step-by-step analysis using stata. (Tutorial Working Paper). Graduate School of International Relations, International University of Japan.
12. Parlow, A. (2010). Panel data analysis in Stata. UMW Economics Department.
13. Song, H., & Witt, S. F. (2000). Tourism demand modelling and forecasting: Modern economic approaches. Pergamon: Cambridge.