Current Japanese Reforms In English Language Education: The 2003 ?Action Plan? 論文 Yuko Goto Butler・Masakazu Iino ·2005-03-01 ·『Language Policy』 4(1) pp. 25-45 doi:10.1007/s10993-004-6563-5
Foreign Language Education at Elementary Schools in Japan: Searching for Solutions Amidst Growing Diversification 論文 Yuko Goto Butler ·2007-09-01 ·『Current Issues in Language Planning』 8(2) pp. 129-147 doi:10.2167/cilp115.0