%L UNY11340 %K extraction, chromium, soil, green mustard, Brassica juncea. %A Santoso Tri %A Hamzah Baharuddin %A Said Irwan %A Hardani Ririen %X CHROMIUM EXTRACTION FROM SOIL BY USING GREEN MUSTARD (Brassica juncea) %I Yogyakarta State University %J Proceeding of International Conference On Research, Implementation And Education Of Mathematics And Sciences 2014 %T CHROMIUM EXTRACTION FROM SOIL BY USING GREEN MUSTARD (Brassica juncea) %D 2014