Has been doing a research about the content of heavy metals (Pb and Cd) in green mustard (Brassica rapa L. subsp. Perviridis Bailey) and carrot (Daucus Carrota L. Var. Sativa Hoffm) that exist in the market of Denpasar city.
Buku ini berisi berbagai materi tentang mata pelajaran Ilmu Pengetahuan Sosial untuk kelas 9