SIMANJUNTAK, INA OKTAVIANI (2019) DISTRIBUSI UNSUR KELUMIT ESSENSIAL (Fe, Cu, Mn, Zn,Ni) DALAM BIJI KAKAO (Theobroma cacao L.) DARI DAERAH PERKEBUNAN DAN DAERAH PESISIR DI LUWU TIMUR = DISTRIBUTION OF ESSENTIAL TRACE ELEMENTS (Fe, Cu,Mn, Zn, Ni) IN COCOA BEANS (Theobroma cacao L.) FROM PLANTATION AREA AND COASTAL AREA IN EAST LUWU. Thesis thesis, Universitas Hasanuddin.