by Muhammad Nejatullah Siddiqi
$7.00

by Drs. Radno Harsanto, M.Si
$9.00

by Dr. Ibrahim Bafadal, M.Pd
$9.00

by Drs. Jumingan, S.E., M.M., M.Si
$11.00

by Drs. Solichin Abdul Wahab, M.A
$7.00

by Abdoelmanap, Soerowo & T.H. Manurung
$6.00