Behavior analysis and therapy in residentioal programs
Van Nastrand , 1986
 Buku Teks
Boulding, Kenneth E. (Kenneth Ewart), 1910-1993, author
Economic analysis
Harper & Row, 1966
 Buku Teks
Boulding, Kenneth E. (Kenneth Ewart), 1910-1993, author
Economic analysis
Harper & Brothers, 1955
 Buku Teks
Boulding, Kenneth E. (Kenneth Ewart), 1910-1993, author
Economic analysis
Harper & Row, 1966
 Buku Teks
Fairchild, Geo T.
Rural welath and welfare economic principles illustrated and applied in farm life Geo T. Fairchild Geo T.
New York MacMillan 1900,
 Buku Teks
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