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Buku Teks
Badiru, Adedeji Bodunde, 1952-
Taylor & Francis, 2006
Buku Teks
edited by M. A. Cuenod [and] S. Kahne
International Federation of Automatic Control , 1973
Buku Teks
Organisation for Economic Co-operation and Development. Development Centre., 1972
Buku Teks
Ross, Harold
United Nations Research Institute for Social Development, 1972
Buku Teks