by Prof. Soetjipto dan Drs. Raflis Kosasi, M.Sc
$9.00

by Drs. Cholid Narbuko dan Drs. H. Abu Ahmadi
$7.00

by Drs. H. Achmad Kuzari
$6.00

by William Montgomery Watt
$6.00

by Prof. Dr. Suharsimi Arikunto, dkk
$7.00

by Prof. H. Muzzayin Arifin
$7.00