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다국어입력
1
SYoo, hiyong, | 한국환경경제학회, 한국자원경제학회 | 2006 ,
2
Zbar, Paul B., 560-Z39e | McGraw-Hill | 1986 560-Z39e,
3
Kissell, Thomas E., 547-K61e | Prentice Hall | 2000 547-K61e,
4
Purcell, Edward M., 427.125-P985e | McGraw-Hill | 1985 427.125-P985e,
5
Morrison, Ralph., 569-M881s | John Wiley & Sons | 1996 569-M881s,