By Lothgren M.   in Economics Letters

ISSN:0165-1765|57|3|255-259

Elsevier‎(1997)‎

Access to resources Favorite 15.019181

By Lothgren M.   Tambour M.   in European Journal of Operational Research

ISSN:0377-2217|115|3|449-458

Elsevier‎(1999)‎

Access to resources Favorite 11.674358