Wararat Sophanowong. 1993. A study of the toughness of rigid PVC filled with recycled vulcanised elastomer dust. Faculty of Graduate Studies, Mahidol University;
Wararat Sophanowong. (1993) A study of the toughness of rigid PVC filled with recycled vulcanised elastomer dust . Mahidol University/Bangkok.
Wararat Sophanowong. A study of the toughness of rigid PVC filled with recycled vulcanised elastomer dust. . Bangkok:Mahidol University, 1993.
Wararat Sophanowong. (1993) A study of the toughness of rigid PVC filled with recycled vulcanised elastomer dust . Mahidol University/Bangkok.