by Susmayati, B.A., dkk $6.00
by Arlyn J. Melcher $9.00
by Drs. Djalinus Syah $11.00
by Drs. H. Burhanuddin Salam, M.M $9.00
by Prof. Drs. S. Pamudji, M.P.A $9.00
by Drs. H. Farozin $6.00