by Prof. Drs. H. Soegyarto Mangkuatmodjo $9.00
by JOKO SYAHBAN $7.00
by Hengky Runtuwene $7.00
by Tanenbaum $16.00
by Ir. M. Lies Suprapti $6.00
by M.A.W. Brouwer $7.00
by $5.00
by Drs. H.M. Daryanto $9.00
by $6.00
by Rum Aly $13.00
by Drs. H. Ahmad Yani $13.00
by Dr. Franz Magnis-Suseno $5.00
