Style de citation APA (7e éd.)
Liu, S. Efficiency change in North-East China agricultural sector: A DEA approach.
Style de citation Chicago (17e éd.)
Liu, Shiwei. Efficiency Change in North-East China Agricultural Sector: A DEA Approach.
Style de citation MLA (9e éd.)
Liu, Shiwei. Efficiency Change in North-East China Agricultural Sector: A DEA Approach.
Attention : ces citations peuvent ne pas être correctes à 100%.