Kajian Kecelakaan Lalu Lintas Tambang di PT SS Jobsite Tanjung, Kalimantan Selatan Tahun 2012 Berdasarkan Konsep Sistem Pertahanan Swiss Cheese Model Menggunakan Human Factors Analysis and Classification System in Mining Industry (HFACS-MI) = Study of Mine Traffic Accident in PT SS Jobsite Tanjung, Kalimantan Selatan Year of 2012 Based on the Concept of Swiss Cheese Model’s Defences System using Human Factors Analysis Classification System in Mining Industry (HFACS-MI)