Search results
Renewable and Sustainable Energy Reviews > 2015 > 45 > C > 745-754
Journal of Productivity Analysis > 2011 > 36 > 1 > 21-31
Journal of Air Transport Management > 2009 > 15 > 6 > 324-329
Food Policy > 2009 > 34 > 4 > 340-349
Renewable and Sustainable Energy Reviews > 2015 > 45 > C > 745-754
Journal of Productivity Analysis > 2011 > 36 > 1 > 21-31
Journal of Air Transport Management > 2009 > 15 > 6 > 324-329
Food Policy > 2009 > 34 > 4 > 340-349