by Drs. H. Malayu S.P. Hasibuan $11.00
by Daradjadi Gondodiprojo $6.05
by Budi Rachmat $11.00
by Prof. Dr. Soegyarto Mangkuatmodjo $13.00
by Veithzal Rivai $48.00
by Drs. Tjahya Supriatna, M.S $9.00
by Sitor Situmorang $7.00
by Louis Irving Horowitz $12.00
by M.A. Hendirsen $6.00
by - $13.00
by - $16.00
by $5.00