by Tierney $12.00
by John W. Amstrong $6.00
by Ali Khomsan $9.00
by Prof. dr. R. Boedhi Darmojo (Alm), dr. Hadi Martono $13.00
by Prof. Dr. dr. Sudraji Sumapraja, SpOG(K) $5.00
by Aziz Alimul $9.00