Hafifa, Sania (2021) Hubungan Antara Risiko Kerja Manual Handling Dan Keluhan Nyeri Punggung Atas Pada Buruh Angkut Barang di Pelabuhan Makassar = Relationship Between The Risk Of Manual Handling Work and Complaints Of Upper Back Pain For Workers Transporting At The Port Of Makassar. Skripsi thesis, Universitas Hasanuddin.