Amornrat Chaiyasit และ Orawan Chailapakul. (2008) Effect of polymers on gel electrolyte properties in lead acid battery. Chulalongkorn University:ม.ป.ท.Amornrat Chaiyasit และ Orawan Chailapakul. 2008. Effect of polymers on gel electrolyte properties in lead acid battery. ม.ป.ท.:Chulalongkorn University;Amornrat Chaiyasit และ Orawan Chailapakul. Effect of polymers on gel electrolyte properties in lead acid battery. ม.ป.ท.:Chulalongkorn University, 2008. Print.