Mejenom, A. A., M. Muthuvinayagam, and M. I. N. Mohamad Isa. “Ionic Conductivity Studies on Proton Conducting Solid Biopolymer Electrolyte Based on 2-Hydroxyethyl Cellulose (2HEC) Doped With Ammonium Chloride (NH4CL)”. Journal of Advanced Research in Micro and Nano Engineering, vol. 26, no. 1, Nov. 2024, pp. 83-94, doi:10.37934/armne.26.1.8394.