Djamal Aziz, author
Lembaga Pangkajian MPR RI, 2018
Artikel Jurnal
R. Soedargo, author
Eresco , 1962
Buku Teks
Breman, Jan, author
LP3ES, 1986
Buku Teks
Achmad Fachrudin, author
Garmedia Utama Publishindo, 2013
Buku Teks
Jajasan Dana Landreform, 1965
Buku Teks