by Pandiangan, Liberty $7.00
by Prof. Dr. dr. Sarwono Waspadji, Kartini Sukardji $6.00
by Rob Faigin $12.00
by Prof. Dr. dr. Sudigdo S., Prof. dr. Bambang M $6.00
by Hamilah D. Koesoemahardja, Ary Indrawati, Isnani Jenie $14.00
by Aziz Alimul $7.00