Pepen Supena
Peralatan bongkar sistem screw dan belt conveyor muatan batubara untuk kapal dengan kapasitas 900 ton/h
Fakultas Teknik Universitas Indonesia, 1992
 UI - Skripsi Membership
Campbell, Colin
Automobile suspensions
Chapman and Hall, 1981
 Buku Teks
Rutherfurd, Edward
The forest
Ballantine Books, 2000
 Buku Teks
Thorp, Roderick
Into the forest
Random House, 1961
 Buku Teks
Friedman, Meyer
Type A Behavior and your heart/Meyer Friedman and Ray H. Rosenman
Alfred A. Knops, 1974
 Buku Teks