Brown, Dan
Bentang, 2017
Buku Teks
Jayakumar, Raghavan, author
[, Springer], 2012
eBooks
Sobel, Michael I., author
University of Chicago, 1987
Buku Teks
Brown, Dan, author
Serambi Ilmu Semesta, 2006
Buku Teks
Heavenly Culture, World Peace, Restoration of Light (Organization)
Heavenly Culture, World Peace, Restoration of Light,, 2018
Buku Referensi