Orasa Tavichai. 1998. A study of hydrogenation reaction of isoprene-styrene block copolymer. Faculty of Graduate Studies, Mahidol University;
Orasa Tavichai. (1998) A study of hydrogenation reaction of isoprene-styrene block copolymer . Mahidol University/Bangkok.
Orasa Tavichai. A study of hydrogenation reaction of isoprene-styrene block copolymer. . Bangkok:Mahidol University, 1998.
Orasa Tavichai. (1998) A study of hydrogenation reaction of isoprene-styrene block copolymer . Mahidol University/Bangkok.