1. Green supply chains with carbon trading and environmental sourcing;Abdallah;Appl. Math. Model.,2012
2. Abiec, 2012a. Brazilian Beef Exports. Technical Report. Brazilian Beef Exporters Association. URL: 〈http://www.abiec.com.br/download/Relatorio%20exportacao%202010.pdf〉. (Online; accessed September 2012).
3. Abiec, 2012b. Structure of Brazilian Beef Chain-2010. Technical Report. Brazilian Beef Exporters Association. URL: 〈http://www.abiec.com.br/download/Brazilian%20Beef%20Chain.pdf〉. (Online; accessed September 2012).
4. Abiec, 2012c. Export Numbers for Ports in Brazil-2010. Technical Report. Brazilian Beef Exporters Association. URL: 〈http://abiec.com.br/download/stat_portos.pdf〉. (Online; accessed September 2012).
5. Abiec, 2012d. Global Beef Exports. Technical Report. Brazilian Beef Exporters Association. URL: 〈http://www.abiec.com.br/download/stat_mercadomundial.pdf〉. (Online; accessed: September 2012).