Ab Mannan, N. N., Razali, S. A., Shamsuddin, S., & Noh, M. Z. (2017). Crystalline Phase, Surface Morphology and Electrical Properties of Monovalent-doped Nd0.75Na0.25Mn1-yCoyO3 Manganites. Journal of Science and Technology, 9(3). https://penerbit.uthm.edu.my/ojs/index.php/JST/article/view/2049