Wojciechowski, Jerzy A.
Ecology of knowledge
Council for research in values and philosophy, [Date of publication not identified]
 Buku Teks SO
Naveh, Zen
Landcape ecology : theory and application
Springer-Verlag, 1990
 Buku Teks
Knowledge engineering : expert systems and information retrieval
edited by Irene Wormell
Taylor Graham , 1987
 Buku Teks
Davis, Randall
Knowledge-based expert systems: planning & implementation workbook
Addison-Wesley, 1987
 Buku Teks
Waterman, Donald A.
Knowledge acquisition: the key to building expert systems
Addison-Wesley, 1987
 Buku Teks