Umaporn Noisiri. (2000) Health motivation and self-care behaviors in pregnant adolescents. Mahidol University,:ม.ป.ท.Umaporn Noisiri. 2000. Health motivation and self-care behaviors in pregnant adolescents. ม.ป.ท.:Mahidol University,;Umaporn Noisiri. Health motivation and self-care behaviors in pregnant adolescents. ม.ป.ท.:Mahidol University, 2000. Print.