Notice: session_start(): Ignoring session_start() because a session is already active in C:\xampp\htdocs\slims\lib\Session\Driver\index.php(2) : eval()'d code(1) : eval()'d code on line 2 Developments in Petroleum Science, 2 Abnormal Formation Presures Implications to Exploration, Drilling, and Production of Oil and Gas Resources | Perpustakaan Amirullah STIP Jakarta