Asfahl, C. Ray
Industrial safety and health management
Pearson/Prentice Hall, 2004
 Buku Teks SO
Asfahl, C. Ray
Industrial safety and health management
Pearson Education, 2004
 Multimedia
Colling, David A., 1935-
Industrial safety : management and technology
Prentice-Hall, 1990
 Buku Teks SO
Colling, David A., 1935-
Industrial safety : management and technology
Prentice-Hall, 1990
 Buku Teks SO
Don Gaspar Noesaku da Costa
Use of the safety factor and margin of safety in motorcyclist accident risk management
Faculty of Engineering, Universitas Indonesia, 2018
 Artikel Jurnal