by Prof. Drs. H. A. W. Widjaja $6.00
by Ny. Eny Rahmaningsih $7.00
by Hermawan Kartajaya & Yuswohady $9.00
by Eriyanto $11.00
by Dr. Siswanto Sumarso, S.H. M.H $9.00
by Daniel J. Mueller $7.00