Suphannipha Nimsuwan. (1999) A study of peroxide vulcanization of purified natural rubber and its properties. Mahidol University,:ม.ป.ท.Suphannipha Nimsuwan. 1999. A study of peroxide vulcanization of purified natural rubber and its properties. ม.ป.ท.:Mahidol University,;Suphannipha Nimsuwan. A study of peroxide vulcanization of purified natural rubber and its properties. ม.ป.ท.:Mahidol University, 1999. Print.