Sintesis material penyerap Gelombang Mikro (La1-xSrx) (Fe0,5Mn0,25Ti0,25)O3 dalam sistem Komposit melalui proses pemaduan mekanik dan sonikasi daya tinggi = Synthesis of Microwave Absorber material of (La1-x,Srx) (Fe0,5Mn0,25Ti0,25)O3 in a Composite system through mechanical alloying and high power sonication processes - Mas Ayu Elita Hafizah, author (2013)