Soons, Alfred H.A., author
Kluwer Law and Taxation, 1982
Buku Teks
McInerney, Dennis M., author
Sage Publication, 2001
Buku Teks
Himawanto, author
Pusat Jasa Perpustakaan dan Informasi, 2019
Artikel Jurnal
Artikel Jurnal
Ackoff, Russell Lincoln, 1919-, author
John Wiley & Sons, 1962
Buku Teks