by Prof. Dr. Umar Tirtarahardja dan Drs. La Sula $12.00
by Robert H. Lauer $13.00
by Dra. Wiwi Isnaeni, M.S $11.00
by H. Rahmat Rukmana & Hj. Yuyun Yuniarsih, SP., MBA., MM $6.00
by Djoko Prakoso, S.H $11.00
by Dr. Moh. Shochib $9.00