Penjaminan Risiko pada Protection & Indemnity Club sebagai Penyelesaian Masalah Pencemaran Minyak di Lingkungan Laut Akibat Kecelakaan Kapal (Studi Kasus: Tabrakan Kapal Hebei Spirit di Korea Selatan) = Risk Assurance by Protection and Indemnity Club as The Solution for Oil Pollution Damage at Sea, as The Result of Ship Collision (Case Study: Collision of Hebei Spirit in South Korea).