Analisis tekanan panas dan keluhan subjektif akibat pajanan tekanan panas pada pekerja di area PT. United Tractors Tbk. Tahun 2013 = Analysis of heat stress and worker's subjective complaints due to heat stress exposure in PT. United Tractors Tbk. area in 2013. (Fakultas Kesehatan Masyarakat Universitas Indonesia, 2013)