Puttipar Rotkittikhun. 2007. Phytoremediation of lead contaminated soil using various grass species. Field of Study Biology, Mahidol University;
Puttipar Rotkittikhun. (2007) Phytoremediation of lead contaminated soil using various grass species . Mahidol University/Bangkok.
Puttipar Rotkittikhun. Phytoremediation of lead contaminated soil using various grass species. . Bangkok:Mahidol University, 2007.
Puttipar Rotkittikhun. (2007) Phytoremediation of lead contaminated soil using various grass species . Mahidol University/Bangkok.