(1)
Gustian, I.; Çelik, S. Ünugur; Zainuddin, A.; Suratno, W.; Bozkurt, A.; Siregar, R. E. Synthesis of Polymer Electrolyte Membrane Based on Acid-Base Complex Pair and Its Characteristics. J. Math. Fund. Sci. 2014, 46, 50-61.