By Whalley John   Zhang Shunming   in Applied Economics Letters

ISSN:1466-4291|18|4|301-304

Routledge Ltd‎(2011)‎

Access to resources Favorite 14.652323

By Zhang Shunming   Zhang Shunming   Wang Shouyang   Deng Xiaotie   in Journal of Global Optimization

ISSN:0925-5001|28|1|67-95

Springer Publishing Company ‎(2004)‎

Access to resources Favorite 12.950947

By Huang Hui   Whalley John   Zhang Shunming   in Applied Economics Letters

ISSN:1466-4291|20|4|332-342

Routledge Ltd‎(2013)‎

Access to resources Favorite 10.989243