Sip : tbumi
Kebutuhan nikel akan meningkat dan asing sdh mulai buka tambang nikel di Sulawesi. http://www.chinamining.org/News/2010-03-02/1267494402d34219.html <http://www.chinamining.org/News/2010-03-02/1267494402d34219.html> http://www.perthnow.com.au/business/rio-tinto-gets-permit-for-2bn-nickel\ -project-on-sulawesi/story-e6frg2r3-1225836409041 <http://www.perthnow.com.au/business/rio-tinto-gets-permit-for-2bn-nicke\ l-project-on-sulawesi/story-e6frg2r3-1225836409041>
