by E. Wight Bakke [and others]
John Wiley & Sons, 1954
Buku Teks
Bellante, Don, author
Lembaga Penerbit Fakultas Ekonomi Universitas Indonesia, 1990
Buku Teks
Jesus Felipe; Rana Hasan, editor
Palgrave Macmillan, 2006
Buku Teks
Journal of Population, Vol. 6 No. 1,2 2000 : 59-78, 2000
Artikel Jurnal
Dimas Nu’man Fadhil, author
PT Penjaminan Infrastruktur Indonesia, 2021
Artikel Jurnal