Uthai Lairattanakul. (1993) A study of preparation of photosensitive elastomer from liquid natural rubber. Mahidol University,:ม.ป.ท.Uthai Lairattanakul. 1993. A study of preparation of photosensitive elastomer from liquid natural rubber. ม.ป.ท.:Mahidol University,;Uthai Lairattanakul. A study of preparation of photosensitive elastomer from liquid natural rubber. ม.ป.ท.:Mahidol University, 1993. Print.