Tinjauan hukum terhadap Renegosiasi kontrak karya dalam kaitannya dengan ketentuan peralihan dalam Undang-Undang Nomor 4 Tahun 2009 tentang pertambangan mineral dan batubara (Studi kasus : Renegosiasi kontrak karya PT. Freeport Indonesia) = Legal assessment on contract of work renegotiation according to transitional provisions of Law No. 4 of 2009 about mineral and coal mining (Case study : Contract of work renegotiation of PT Freeport Indonesia)

Kewajiban Divestasi Saham Penanaman Modal Asing di Bidang Pertambangan Mineral dan Batubara Dalam Rangka Perpanjangan Kontrak Karya Sebagai Kelanjutan Operasi (Studi Kasus: PT Vale Indonesia) = Obligation to Share Divestment from Foreign Investment in the Mineral and Coal Mining Sector in the Context of Extending the Contract of Work as a Continuation of Operations (Case Study: PT Vale Indonesia)

Kewajiban divestasi saham penanaman modal asing di dalam Undang-Undang Nomor 4 tahun 2009 tentang pertambangan mineral dan batubara beserta peraturan pelaksanaannya : studi kasus renegosiasi ketentuan divestasi dalam kontrak karya PT. Freeport Indonesia = Shares divestment obligation of foreign investment within Law Number 4 year 2009 regarding mineral and coal mining and its implementing regulations : case study renegotiation of divestment provision on contract of work of PT. Freeport Indonesia

Penanaman modal asing pasca undang-undang nomor 4 tahun 2000 tentang pertambangan minimal dan batubara: studi mengenai kontrak kerja = Foreign Investment Pasca Law Number 4 Year 2009 concerning Mineral and Coal Mining: Study Concerning Work Of Contract

Tinjauan kebijakan hukum pertambangan yang berkeadilan bagi investor dan pemerintah pasca berlakunya UU No 4 2009 tentang pertambangan mineral dan batubara: studi kasus PT X sebuah perusahaan penanaman modal asing di bidang pertambangan nikel = Review of equitable law in mining policies for both investor and government after the enactment of law No 4 year 2009 concerning mineral and coal mining: case study of PT X a foreign investing company within business scope of nickel mining