1. Five Layers Aurivillius Phases Pb2-xBi4+xTi5-xMnxO18: Synthesis, Structure, Relaxor Ferroelectric and Magnetic Properties , Zulhadjri, B. Prijamboedi, A.A. Nugroho, N. Mufti, and Ismunandar 2. Immobilization of Amino Acids Leucine and Glycine on Polypyrrole for Biosensor Applications: A Density Functional Theory Study, Hermawan K. Dipojono , Nugraha, Irma Safitri, Eko Mursito B., Nuryanti &…