Thammanoon Thaweechai, Anurat Wisitsoraat, Apirat Laobuthee, and Nattamon Koonsaeng, “Ethanol Sensing of La1-xSrxFeO3 (x= 0, 0.1 and 0.3) Prepared by Metal-Organic Complex Decomposition”, Agr. Nat. Resour., vol. 43, no. 5, pp. 218–223, Dec. 2009.