Angesh Chandra, Archana Chandra, and Alok Bhatt. “Synthesis of Hot-Pressed Solid Polymer Electrolytes: (1-X) PEO: X NaBr”. Journal of International Academy of Physical Sciences, vol. 18, no. 1, Mar. 2014, pp. 83-90, https://www.iaps.org.in/journal/index.php/journaliaps/article/view/470.