Alisa Boonsong. (1998) The effect of background knowledge on reading performance. National Institute of Development Administration,:ม.ป.ท.Alisa Boonsong. 1998. The effect of background knowledge on reading performance. ม.ป.ท.:National Institute of Development Administration,;Alisa Boonsong. The effect of background knowledge on reading performance. ม.ป.ท.:National Institute of Development Administration, 1998. Print.