Thammasat University,
Majalah, Jurnal, Buletin
The Institute for Research and Community Service ITB, 2008
Majalah, Jurnal, Buletin
Sage Publications , 2018
Majalah, Jurnal, Buletin
University of technology,
Majalah, Jurnal, Buletin
National Academy Press , 1983
Buku Teks