by - $9.00
by Ir. Suharto $9.00
by Irianto Aritonang $6.00
by Prof. Dr. dr. H. Dadang Hawari, Psikiater $6.00
by Prof. Dr. Mr. Gregor van der Burght, Penerjemah: Drs. F. Tengker, S.H., C.N. $7.00
by $20.00