Sirikanok Klankhajhon. (2008) Selected factors predicting exercise behavior of pregnant women. Mahidol University,:ม.ป.ท.Sirikanok Klankhajhon. 2008. Selected factors predicting exercise behavior of pregnant women. ม.ป.ท.:Mahidol University,;Sirikanok Klankhajhon. Selected factors predicting exercise behavior of pregnant women. ม.ป.ท.:Mahidol University, 2008. Print.