Zulhadjri, Z., Prijamboedi, B., Nugroho, A. A., Mufti, N., & Ismu, I. (2013). Five Layers Aurivillius Phases Pb2-xBi4+xTi5-xMnxO18: Synthesis, Structure, Relaxor Ferroelectric and Magnetic Properties. Journal of Mathematical and Fundamental Sciences, 43(2), 139-150. https://doi.org/10.5614/itbj.sci.2011.43.2.6