Pensiri Silakul. (2013) Gel polymer electrolyte developed from hydrophilic polymer coated on natural rubber particles to improve solar cell efficiency. Chulalongkorn University:ม.ป.ท.Pensiri Silakul. 2013. Gel polymer electrolyte developed from hydrophilic polymer coated on natural rubber particles to improve solar cell efficiency. ม.ป.ท.:Chulalongkorn University;Pensiri Silakul. Gel polymer electrolyte developed from hydrophilic polymer coated on natural rubber particles to improve solar cell efficiency. ม.ป.ท.:Chulalongkorn University, 2013. Print.