Adhikara Joshua Sutisna, author
2019
UI - Tesis (Membership)
Sri Nurhendiarni, author
Swiss German Univeristy, 2015
Artikel Jurnal
Owen, W. V.
Ronald Press, 1958
Buku Teks
Likert, Rensis
McGraw-Hill Kogakusha, 1967
Buku Teks
Putri Solikhin, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2015
UI - Skripsi (Membership)