Rahman และ Mahmudur. (1988) Knowledge attitude and practice of village health workers in nutritional surveillance. Mahidol University,:ม.ป.ท.Rahman และ Mahmudur. 1988. Knowledge attitude and practice of village health workers in nutritional surveillance. ม.ป.ท.:Mahidol University,;Rahman และ Mahmudur. Knowledge attitude and practice of village health workers in nutritional surveillance. ม.ป.ท.:Mahidol University, 1988. Print.