by $11.00
by $16.00
by E. Martasudjita, Pr. $4.00
by A. Setiyawan, SJ. $7.00
by R. Kurris, SJ. $7.00
by Ir. H. Rahmat Rukmana & Hj. Yuyun Yuniarsih, SP., MBA., MM. $6.00
by $13.00
by Prof. Dr. S. Nasution, M.A. $7.00
by J. Stallard, Terj. Drs. Hasymi Ali $11.00
by Muhammad Ibrahim Saliim $6.00