Aubrey, Henry G., author
National Planning Association, 1961
Buku Teks
Daniel Pascoe, author
University of Indonesia, Faculty of Law, 2017
Artikel Jurnal
Clarendon Press Oxford, 1989
Buku Teks
Ade Marsinta Arsani, author
Badan Perencanaan PembangunaN Nasional (BAPPENAS), 2018
Artikel Jurnal
Routledge, 1991
Buku Teks