المؤلفون: Washington, Achim, Clothier, Reece A., Williams, Brendan P.

المصدر: Elsevier, Journal of Air Transport Management. 62(C):18-33

الإتاحة: https://ideas.repec.org/a/eee/jaitra/v62y2017icp18-33.html

المؤلفون: Coates, Dermot, McNeill, Joe, Williams, Brendan

المصدر: Central Bank of Ireland, Quarterly Bulletin Articles. :68-81

الإتاحة: https://ideas.repec.org/a/cbi/qtbart/y2016m07p68-81.html

المؤلفون: Williams, Brendan, Shiels, Patrick

المصدر: Economic and Social Research Institute (ESRI), Quarterly Economic Commentary: Special Articles. 2000(2-June):1-30

الإتاحة: https://ideas.repec.org/a/esr/qecsas/2000junewilliams.html