Hutagalung, Mangasa Sotarduga, author
Tulodong, 2007
Buku Teks
Abu-Assab, Samah, author
[Gabler Verlag, ], 2012
eBooks
Sirgy, M. Joseph
Springer, 2012
eBooks
[Fakultas Kedokteran Universitas Indonesia, Universitas Indonesia], 2010
Artikel Jurnal
Kenneth C. Land
Springer Science, 2012
eBooks