"Nugraha P. Utama,Atsushi Takemoto,Yasuharu Koike,Katsuki Nkamura","Phased Processing of facial emotion :An ERP Study",,"Neuroscience Research",,,,"pp. 30-40",2009,May
"Nugraha P.Utama,Atsuhi Takemoto,Yasuharu Koike,Katsuki Nakamura","Serial Processing of Emotional Type and Intensity:evidence from an ERP stuy","14th International Conference on Neural Information Processing",,,,,,2007,Nov.