Wutarak Puengputtho และ Preeya Leelahagul. (2014) Salt intake and salt reduction in secondary school-age students of Princess Chulabhorn's College Chiangrai (Regional Science School). Mahidol University:ม.ป.ท.Wutarak Puengputtho และ Preeya Leelahagul. 2014. Salt intake and salt reduction in secondary school-age students of Princess Chulabhorn's College Chiangrai (Regional Science School). ม.ป.ท.:Mahidol University;Wutarak Puengputtho และ Preeya Leelahagul. Salt intake and salt reduction in secondary school-age students of Princess Chulabhorn's College Chiangrai (Regional Science School). ม.ป.ท.:Mahidol University, 2014. Print.