1. Ahn, S., & Schmidt, P. (1995). Efficient estimation of models with dynamic panel data. Journal Economic, 68(1), 5-28. https://doi.org/10.1016/0304-4076(94)01641-C
2. Albani, M., Blaschke, B., Denis, N., & Granskog, A. (2014). Bioenergy in Europe: A new beginning — or the end of the road? McKinsey on Sustainability & Resource Productivity, 3(4), 222-241.
3. Andersen, B. H. (2016). Bioenergy in the EU: contradictions driving excess and unequal land use for industrial biomass production (Colloquium Paper No. 54.). International Institute of Social Studies (ISS). https://www.iss.nl/sites/corporate/files/54-ICAS_CP_Andersen.pdf
4. Alsaleh, M., & Abdul-Rahim, A. S. (2019). The forecasted accuracy of the bioenergy market in the EU-28 region. Journal of Sustainability Science and Management, 14(4), 118-129. http://jssm.umt.edu.my/.../10-V14N4.pdf
5. Alsaleh, M., Abdul-Rahim, A. S., & Mohd-Shahwahid, H. O. (2016). Determinants of technical efficiency in the bioenergy industry in the EU28 region. Renewable and Sustainable Energy Reviews, 78, 1331-1349. https://doi.org/10.1016/j.rser.2017.04.049