by - $16.00
by Prof. Dr. Ir. Ali Khomsan $9.00
by Prof. DR. dr. S.M. Lumbantobing, SpS(K), SpKJ $6.00
by Tierney $18.00
by WK $11.00
by Prof. dr. R. Boedhi Darmojo (Alm), dr. Hadi Martono $13.00