Oberg, Erik
Industrial Press, 2012
Multimedia
by Marcus A. Krupp ... [and others]
Lange Medical Publications, 1979
Buku Referensi
Erik Obeng
Industrial Press, 2012
Multimedia
Norman K. Denzin, Yvonna S. Lincoln, editors
Sage Publications, 2000
Buku Referensi
editor, Owen D.W. Hargie
Routledge, 1997
Buku Referensi