editors, E.K.M. Masinambow & Paul Haenen
LIPI-RUL , 1994
Buku Teks
Rini Palupi Radikun, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 1992
UI - Skripsi (Membership)
editor, Siti Zainab Bakir dan Chris Manning
Rajawali, 1984
Buku Teks
Erny Yoesry, author
Badan Penerbit FHUI, 2019
Artikel Jurnal
Chris Rumansi, author
2007
UI - Tesis (Membership)