著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) Muhammad Shahbaz and Aviral Kumar Tiwari and Muhammad Nasir,"The effects of financial development, economic growth, coal consumption and trade openness on CO2 emissions in South Africa",Energy Policy,0301-4215,Elsevier BV,2013-10,61,,1452-1459,https://cir.nii.ac.jp/crid/1363670320846089344,https://doi.org/10.1016/j.enpol.2013.07.006