by J. Frankel $9.00
by Julius R. Latumaerissa, S.E., M.M $7.00
by Dr. Ibrahim Bafadal, M.Pd $6.00
by Tobi Moektijono $5.00
by Drs. A.W. Widjaja $6.00
by dr. Ahmad Syauqi Al Fanjari $9.00
by Ir. Surya Suhatmansyah dan Drs. Djalinus Syah $11.00
by S. Mara Gd $7.00
by J. M. Coetze $21.00