Sarason, Seymour B.
Psychological problems in mental deficiency
Harper & Row , 1959
Buku Teks
The treatment of medical problems in the elderly
edited by M.J. Denham
University Park Press, 1980
Buku Teks SO
Veeraraghavan, Vimala
Anxiety disorders : psychological assessment and treatment
Sage, 2002
Buku Teks
Gorline, Lynne Lesak
Common problems in prymary care
Mosby , 1982
Buku Teks
Corney, Roslyn H.
Problems in social care
MTP Press, 1983
Buku Teks