Hyde, William F., author
World Bank, 1991
Buku Teks
Zihan Syahayani, author
Universitas Indonesia, 2017
UI - Tesis (Membership)
Annisa Pramita Siwi, author
Universitas Indonesia, 2014
UI - Skripsi (Membership)
Maman Sutisna, author
Departemen Pendidikan Nasional RI, 2001
Buku Teks
Desak Made Oka Purnawati, author
Intra Pustaka Utama , 2004
Buku Teks