Narumon Sombun และ Penjit Srinophakun. (2012) An investigation of activated carbon synthesized from jatropha seed coat. Kasetsart University:ม.ป.ท.Narumon Sombun และ Penjit Srinophakun. 2012. An investigation of activated carbon synthesized from jatropha seed coat. ม.ป.ท.:Kasetsart University;Narumon Sombun และ Penjit Srinophakun. An investigation of activated carbon synthesized from jatropha seed coat. ม.ป.ท.:Kasetsart University, 2012. Print.