Mikihiro Moriyama, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2019
Artikel Jurnal
Nye, Joseph S., author
Yayasan Obor Indonesia , 1992
Buku Teks
Emerald Publishing Limited, 2019
eBooks
Tisdell, Clem, author
Edward Elgar, 2012
Buku Teks
Cambridge University Press, 1996
Buku Teks