Wanicha Kitvorapat. (1990) Weight gain Chart as an educational tool for improving maternal nutritional status. Mahidol University,:ม.ป.ท.Wanicha Kitvorapat. 1990. Weight gain Chart as an educational tool for improving maternal nutritional status. ม.ป.ท.:Mahidol University,;Wanicha Kitvorapat. Weight gain Chart as an educational tool for improving maternal nutritional status. ม.ป.ท.:Mahidol University, 1990. Print.