3 1 10 Meeting the Challenge Center for Educational Research and Innovation Primary Author mixed material 9789264079731 Paris Prancis OECD Publishing 2010 Educating Teachers for Diversity: Meeting the Challenge cover_educating-teachers-for-diversity-meeting-the-challenge-20260327105031.jpg membantu mengatasi kesulitan guru memberikan layanan belajar yang bermutu Sagala, Syaiful, Primary Author mixed material 9786028361990 Bandung Alfabeta Nasir, Primary Author Tuti Kurniati Additional Author mixed material 9786026892447 Bantul KMedia