Evaluate the collective function of references cited together in a given text segment.
Classify their combined role into one of the following categories: 'method', 'background', or 'result'.

Text:…addition, it has been noted that markets for LKS could increase the value of forests, contributing to the viability of the new forest concession system, (Barany et al. 2003) and since this is most desirable if there will continue to be adequate supply of wood then the future is bright for the LKS.
Category: