Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
"Claes, Dag Harald and Garavini, Giuliano","Handbook of OPEC and the global energy order : past, present, and future challenges",,Routledge,2020,Routledge international handbooks,,9780367195656,,https://cir.nii.ac.jp/crid/1130003902576708736