Nongyaow Meethien และ Linchong Pothiban. (2010) Effectiveness of a Nutritional education program for promoting healthy eating among the Elderly in the northeastern region of Thailand /. Chiang Mai University,:ม.ป.ท.Nongyaow Meethien และ Linchong Pothiban. 2010. Effectiveness of a Nutritional education program for promoting healthy eating among the Elderly in the northeastern region of Thailand /. ม.ป.ท.:Chiang Mai University,;Nongyaow Meethien และ Linchong Pothiban. Effectiveness of a Nutritional education program for promoting healthy eating among the Elderly in the northeastern region of Thailand /. ม.ป.ท.:Chiang Mai University, 2010. Print.