Takeo, Kuwabara, author
University of Tokyo Press , 1984
Buku Teks
Artikel Jurnal
Schuman, Frederick L., author
McGraw-Hill, 1941
Buku Teks
Schuman, Frederick L., author
McGraw-Hill, 1958
Buku Teks
Indri Hapsari Susilowati, author
Occupational Health and Safety Department, Faculty of Public Health Universitas indonesia, 2016
Artikel Jurnal