by Drs. G. Kartasapoetra $9.00
by Susmayati, B.A., dkk $6.00
by Ira Latief $9.00
by Veithzal Rivai $26.00
by Drs. Sudarsono, S.H., M.Si $7.00
by Agusnawar, Amd. Par. $6.00