Ornchulee Chantra. (1999) The comparative study of the ordinary and the new-designed cold-protective gloves among frozen food workers. Mahidol University,:ม.ป.ท.Ornchulee Chantra. 1999. The comparative study of the ordinary and the new-designed cold-protective gloves among frozen food workers. ม.ป.ท.:Mahidol University,;Ornchulee Chantra. The comparative study of the ordinary and the new-designed cold-protective gloves among frozen food workers. ม.ป.ท.:Mahidol University, 1999. Print.