1. Radical reform in New Zealand: crisis, windows of opportunity, and rational actors;Aberbach;Public Administration,2001
2. The environment and directed technical change;Acemoglu;American Economic Review,2012
3. African Development Bank (AfDB) 2012 Facilitating green growth in Africa: perspectives from the African Development Bank www.afdb.org/fileadmin/uploads/afdb/Documents/Generic-Documents/Facilitating_Green_Growth_in_Africa__Perspectives_from_the_African_Development_Bank_June_2012.pdf
4. African Development Bank (AfDB) 2014 Green growth Sierra Leone: investing in environmentally sound economic growth www.afdb.org/fileadmin/uploads/afdb/Documents/Project-and-Operations/Sierra_Leone_-_Investing_in_Environmentally_Sound_Economic_Growth.pdf
5. Grouping of conglomerates by their segments' economic attributes: towards a more meaningful ratio analysis;Amit;Journal of Business Finance & Accounting,1990