Widi Destrianda
2016
UI - Skripsi (Membership)
Tri Antoro Ade Nugroho
Universitas Indonesia, 2015
UI - Tesis (Membership)
Artikel Jurnal
Shackelford, James F.
London : CRC Press, 1995,
Buku Referensi
Apple, James MacGregor, 1915-1978
John Wiley & Sons, 1977
Buku Teks