TC BAŞBAKANLIK                                                                                                                                                      T.B.M.M                                                                                                                                                                              ÇELİKLER HOLDİNG
ODTÜ JEOLOJİ MÜHENDİSLİĞİ BÖLÜMÜ
NEVADA MADENCİLİK MÜŞAVİRLİK LTD ŞTİ
JEO-MAD JEOLOJİ MADENCİLİK LTD ŞTİ
ANKARA ÜNİVERSİTESİ ECZACILIK FAKULTESİ
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