by Drs. Radno Harsanto, M.Si $9.00
by Syam Hardy $7.00
by A. Dodong Budianto $11.00
by Norman P. Tanner $6.00
by A.M. Mangunhardjana, SJ $6.00
by WK $12.00
by Lars Forssblad $9.00
by Nasution, Harun $5.00
by - $30.00
by Tarwoto $9.00
by Prof. dr. D. Bachtiar Lubis, dr. Sylvia D. Elvira $7.00