by Prof. Dr. Komarudin Hidayat $5.00
by Sutarni M. Soerjowinoto $6.00
by Drs. H. Abu Ahmadi $9.00
by Muhammad Hasan Aydid $6.00
by Tim Penulis OBOR $9.00
by H. Rahmat Rukmana & Hj. Yuyun Yuniarsih, SP., MBA., MM $6.00