عرض مصدر ديتر هيلم

{{يتيمة|تاريخ=يوليو 2019}}
{{صندوق معلومات شخص}}
'''ديتر هيلم''' {{إنج|Dieter Helm}} هو [[اقتصادي]] [[المملكة المتحدة|بريطاني]]، ولد في [[11 نوفمبر]] [[1956]].<ref name="oxfnewcollbio">New College, University of Oxford [https://www.new.ox.ac.uk/fellows/dieter.helm profile]. Retrieved 29 November 2012. {{Webarchive|url=https://web.archive.org/web/20130618111808/http://www.new.ox.ac.uk/fellows/dieter.helm |date=18 يونيو 2013}} {{وصلة مكسورة|تاريخ=2020-10-13|bot=JarBot}}</ref><ref>[[فرد بيرس]]. [https://www.newscientist.com/blogs/culturelab/2012/11/embracing-shale-gas-may-help-cut-emissions.html "Embracing shale gas may help cut emissions"], ''[[نيو ساينتست]]'', 17 November 2012. Retrieved 30 November 2012. {{Webarchive|url=https://web.archive.org/web/20170730104244/https://www.newscientist.com/blogs/culturelab/2012/11/embracing-shale-gas-may-help-cut-emissions.html |date=30 يوليو 2017}}</ref><ref name="oxfeconbio">Economics Department [https://www.economics.ox.ac.uk/index.php/academic/dieter-helm profile]. Retrieved 29 November 2012. {{Webarchive|url=https://web.archive.org/web/20200314204801/https://www.economics.ox.ac.uk/academic/dieter-helm |date=14 مارس 2020}}</ref>