by Ir. M. Iqbal Hasan $12.00
by Drs. Muchdarsyah Sinungan $9.00
by $7.00
by Robert L. Heilbroner $12.00
by Vincent Gaspersz $7.00
by Freemont E. Kast $13.00
by Prof. Mr. Dr. Sudargo Gautama $5.00
by Murad Lesmana, Jeanette $5.00
by Ligterink, G.H. $5.00
by Moh. Taufik Makarao, S.H., M.H $11.00
by Tamara Geraldine $9.00
by - $9.00