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伊藤 英夫, 野村 東助, 伊藤 良子, 松田 景子, 高橋 道子. "1035 早期幼児期からの自閉症児の発達に関する縦断的研究(2) : 2歳8ヶ月から3歳5ヶ月までの遊びを中心に(自閉症,障害4,障害)." Annual Convention of the Japanese Association of Educational Psychology 30.0 (1988) 1066-1067