By Agliardi E.   in Economics Letters

ISSN:0165-1765|68|3|251-254

Elsevier‎(2000)‎

Access to resources Favorite 15.246992

By Agliardi E.   Bebbington M.S.   in European Journal of Operational Research

ISSN:0377-2217|96|3|444-454

Elsevier‎(1997)‎

Access to resources Favorite 11.018609