1. Department of Internal Trade Rice Pledging Scheme Accessed http www dit go th contentdetail asp typeid catid ID;June,2012
2. Department of Internal Trade a Criteria of the Rice Pledge Scheme for in - season rice in the production year of edited version Accessed http www dit go th contentdetail asp typeid catid ID;June,2012
3. Department of Internal Trade Pledge rice s price in Accessed http www dit go th contentdetail asp typeid catid ID;June,2011
4. Department of Internal Trade Pledged price for Hawm - mali paddy provincial paddy KhaoJow paddy Pathumtani paddy and Glutinous rice paddy production year at various levels of humidity as happened to farmers when the paddy was pledged for the contract;June,2013
5. Office of The price of KhaoJao with humidity of per month as sold by farmers at paddy fields around the country Accessed http www oae go th download price monthlyprice paddy pdf;June;Agricultural Economics,2014