Anita Putri Wulandari, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2022
UI - Skripsi (Membership)
Illinois, 1962
Buku Teks
Wolf, Richard M., author
Praeger, 1979
Buku Teks
Teichert, Pedro C.M., author
Bureau of Business Research Mississippi University , 1959
Buku Teks
edited by Egbert De Vries, Jose Medina Echavarria
UNESCO, 1967
Buku Teks