Thanita Sutthatang และ Uthai Wichai. (2012) Effect of Sorbitol derivatives on mechanical properties and morphology of polypropylene fiber /. Naresuan University,:ม.ป.ท.Thanita Sutthatang และ Uthai Wichai. 2012. Effect of Sorbitol derivatives on mechanical properties and morphology of polypropylene fiber /. ม.ป.ท.:Naresuan University,;Thanita Sutthatang และ Uthai Wichai. Effect of Sorbitol derivatives on mechanical properties and morphology of polypropylene fiber /. ม.ป.ท.:Naresuan University, 2012. Print.