Whaley, Douglas J.
Problems and materials on secured transactions
Little, Brown & Co., 1993
 Buku Teks
Tripathi, Rajesh
Theory and solved problems in strength of materials
S.S. Mubarak Brothers, 1996
 Buku Teks SO
Steiner, Henry J.
Transnational legal problems: materials and text
The Foundation Press, 1968
 Buku Teks SO
Problems of Nonlinear Mechanics and Physics of Materials
Springer Cham, 2019
 eBooks
Health Law: cases, materials and problems
by Barry R. Furrow ... [and others]
West Publishing, 1987
 Buku Teks SO