by J. Guwandhi, SH. $6.00
by Reeves $13.00
by Prof. dr. Peter Kabo Ph.D., dr. Sjukri Karim $7.00
by Prof. dr. Nurbaiti Iskandar, SpTHT $6.00
by Prof. G.J. Ebrahim $6.00
by Brooks $20.00
by Dr. Helmi, Sp.THT $13.00