National academy of sciences, 1973
Buku Teks
Riant Nugroho Dwidjowijoto, author
Pustaka Pelajar, 2012
Buku Teks
Myint, Hla, author
Hutchinson University Library, 1973
Buku Teks
Hilling, David, author
Routledge, 1996
Buku Teks
Jha, Raghbendra, author
Routledge, 1994
Buku Teks