by Prof. Dr. dr. Sarwono Waspadji, Kartini Sukardji $7.00
by Prof. Dr. Ir. Ali Khomsan $11.00
by Dra. Ninik Widiyanti, Yulius Waskita, S.H $7.00
by Brooks $18.00
by Hamilah Djoeana K., Fajar H. Nasution & Bambang S. Trenggono $6.00
by S. Wibowo $13.00
by H. Sahilun A. Nashir $5.00
by $7.00