共 25 条
[1]
[Anonymous], WHY VALUE THE OCEANS
[2]
[Anonymous], 1998, ECONOMETRIC SOC MONO
[3]
[Anonymous], 5873 SWED ENV PROT A
[4]
[Anonymous], 2003, DESIGN REPORT EXPT
[5]
[Anonymous], 2005, ECOSYSTEMS HUMAN WEL
[6]
[Anonymous], 2010, MODELING ORDERED CHO
[8]
Dillman D.A., 2009, Internet, Mail, and Mix-Mode Surveys: The Taylored Design Method
[9]
European Commission, 2008, OFF J EUR UNION L, P19
[10]
Greene H.W., 2008, ECONOMETRIC ANAL, V6th