Trade and Growth: Import-Led or Export-Led? Evidence From Japan and Korea 報告 Robert Z. Lawrence・David Weinstein ·1999-07-01 ·『National Bureau of Economic Research』 doi:10.3386/w7264
Maximum Duration of Phonation 論文 Paul H. Ptacek・Eric K. Sander ·1963-05-01 ·『Journal of Speech and Hearing Disorders』 28(2) pp. 171-182 doi:10.1044/jshd.2802.171