by Rimsky K. Judisseno $32.00
by Drs. Zainuddin $7.00
by Indra Darmawan, S.E $7.00
by Dolf de Roos, Ph.D $9.00
by Prof. DR. Koentjaraningrat $11.00
by Drs. CST. Kansil, S.H $12.00