Boonthong Itthipanya. (1995) A comparative study of attitudes and motivation towards English of grade 12 private (Catholic) and government school students in Bangkok in the academic year of 1994. Mahidol University,:ม.ป.ท.Boonthong Itthipanya. 1995. A comparative study of attitudes and motivation towards English of grade 12 private (Catholic) and government school students in Bangkok in the academic year of 1994. ม.ป.ท.:Mahidol University,;Boonthong Itthipanya. A comparative study of attitudes and motivation towards English of grade 12 private (Catholic) and government school students in Bangkok in the academic year of 1994. ม.ป.ท.:Mahidol University, 1995. Print.