by Cik Hasan Bisri
$6.00

by Harun M. Husein, S.H
$11.00

by Dr. Ahmad Jayadi, M.Pd
$7.00

by Prof. Dr. Sondang P. Siagian, M.P.A
$11.00

by Prof. Dr. S. Nasution, M.A.
$6.00

by Swasono, Sri-Edi, & Masri Singarimbun (Ed)
$7.00