by Drs. Syaiful Bahri Djamarah $9.00
by Y. Bambang Mulyono $5.00
by Prof. Dr. Burhanuddin Salam, M.M $7.00
by Djamaluddin Darwis $7.00
by Drs. Tgk. H.Z.A. Syihab $6.00
by Walter L. Wallace $7.00