MANTHOFANI, ITANG (2021) ANALISIS HUMAN ERROR PADA PEMBUATAN GUARDRAIL PART BEAM BAGIAN POTONG COIL DI PT. TOSAN MASH MENGGUNAKAN METODE HUMAN ERROR ASSESMENT AND REDUCTION TECHNIQUE (HEART) DAN SYSTEMATIC HUMANiERROR REDUCTION AND PREDICTION (SHERPA). Undergraduate thesis, Universitas Islam Sultan Agung Semarang.