Text ( visual ) : unmediated Identifying the key sector and analyzing the sector linkages with special reference to crude oil, natural gas and their related industries : a study in the input-output framework / Nasim Fathi. -- Chiba : Institute of Developing Economies, Japan External Trade Organization , 2014. -- viii, 34 p. : ill. ; 26 cm. -- (V.R.F. series ; no. 490). -- Title from cover ; "Jul. 2014"--Cover ; Includes bibliographical references (p. 32-33). -- (BB16079587) ; https://ci.nii.ac.jp/ncid/BB16079587 Author Heading(s): Fathi, Nasim ; アジア経済研究所