Meyerson, Martin, author
The Free Press, 1964
Buku Teks
Lydia Maulida, author
Badan Perencanaan Pembangunan Nasional (BAPPENAS), 2023
Artikel Jurnal
by James E. Anderson; David Brady; Charles Bullock III; Joseph stewart, JR
Brooks/Cole; cengage learning, 1984
Buku Teks
Rourke, Francis E., author
Little, Brown, 1979
Buku Teks
Doblstein, Andrew W., author
Prentice-Hall, 1980
Buku Teks