Economics - Encyclopedia
Buku Teks
Encyclopedia of Bioastronautics
Springer Cham, 2019
eBooks
Encyclopedia of Robotics
Springer Berlin, Heidelberg, 2019
eBooks
Frederic, Louis
Japan encyclopedia
Belknap Press, 2002
Buku Referensi
The encyclopedia of philosophy
editor, Donald M. Borchert
Macmilan, 1996
Buku Referensi