by Dr. Hamzah B. Uno, M.Pd $0.00
by Miguel Escobar $6.00
by Drs. Syaiful Bahri Djamarah $7.00
by A. Tresna Sastrawijaya, M.Sc $7.00
by Dr. Mahsun, M.S $11.00
by Prof. Dr. H. Muhaimin, M.A $11.00
by Said Kelana $6.00
by Parwoto Wignjosumarto $11.00
by Augustinus $7.00
by - $9.00