by Prof. Dr. Burhanuddin Salam, M.M $7.00
by Glenda Crosling, Graeme Atherton, Siti Norbaya Azizan $59.99
by Drs. Surajiyo $9.00
by Drs. Tgk. H.Z.A. Syihab $5.00
by Ir. Rustam Hakim, M.T., IALI $0.00
by Dra. Sutratinah Tirtonegoro $7.00