By Grosskopf S.   Margaritis D.   Valdmanis V.   in European Journal of Operational Research

ISSN:0377-2217|154|2|515-525

Elsevier‎(2004)‎

Access to resources Favorite 9.726479

By Smith P.C.   Stepan A.   Valdmanis V.   Verheyen P.   in Health Policy

ISSN:0168-8510|41|1|37-60

Elsevier‎(1997)‎

Access to resources Favorite 7.955611