Valuasi harga saham perusahaan jasa pengeboran minyak dan gas dengan menggunakan metode free cash flow to equity: studi kasus pada private company = Valuation of fair value of oil and gas drilling service company shares using free cash flow to equity: case study on private company - Riandhika Hikmatiar, author (Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2012)