Artikel Jurnal
Fik, Timothy J.
McGraw-Hill , 2000
Buku Teks
R. Maheswar, G. R. Kanagachidambaresan, R. Jayaparvathy, Sabu M. Thampi, editors
Springer Nature, 2019
eBooks
Hauss, Charles
Wadsworth, 2009
Buku Teks
Hauss, Charles
Wadsworth, 2009
Buku Teks