Dorf, Richard C.
Technology ventures : from idea to enterprise
McGraw-Hill , 2008
 Multimedia
Dorf, Richard C.
Technology ventures : from idea enterprises
McGraw-Hill, 2008
 Buku Teks
Aulet, Bill, 1958-
Disciplined entrepreneurship : 24 steps to help entrepreneurs launch successful new ventures
John Wiley & Sons, 2013
 Buku Teks
Gloria J.M Sianipar
Pengaruh faktor-faktor kewirausahaan terhadap niat kewirausahaan (studi pada mahasiswa program studi akuntansi fakultas ekonomi Universitas HKBP Nommensen) / Gloria J.M Sianipar
Universitas HKBP Nonmensen, 2018
 Artikel Jurnal
J. Winardi
Entrepreneur dan entrepreneurship / J. Winardi
Kencana Prenada Media, 2003
 Buku Teks SO