Masripah, author
Universitas Indonesia, 2009
UI - Skripsi (Open)
Fritz, James S.
Wiley-VCH, 1999
Buku Teks
Laddha, G. S.
Tata McGraw-Hill, 1976
Buku Teks
Hutagalung, Hot Saroha, author
1990
UI - Tesis (Membership)
Budi Hartadi, author
2018
UI - Tesis (Membership)