Gambaran tingkat risiko ergonomi dan keluhan subjektif musculoskeletal disorders (MSDS) pada operator di area trimming PT Bridgestone Tire Indonesia tahun 2012 = Ergonomic risk rating and musculoskeletal disorders msds complaint of trimming area employees in pt bridgestone tire Indonesia 2012 (Fakultas Kesehatan Masyarakat Universitas Indonesia, 2013)