Watt, Kenneth E.F., 1929-
Understanding the environment / Kenneth E.F. Watt.Understanding the Environment
Allyn and Bacon, 1982
 Buku Teks SO
Allen, James
Natural language understanding
Benjamin Cummings, 1987
 Buku Teks SO
Lyle, Jane
Understanding Body Language
Chancelor Press, 1993
 Buku Teks SO
Ellis, Peter, 1969-
Understanding research for nursing students
Learning Matters, 2019
 Buku Teks SO
Kempson, Ruth M.
Dynamic syntax: the flow of language understanding
Blackwell , 2001
 Buku Teks SO