by Suhardjo $6.00
by Dr. Menaldi Rasmin, SpP(K), FCCP $5.00
by Prof. dr. Peter Kabo Ph.D., dr. Sjukri Karim $7.00
by Dr. Muchtaruddin Mansyur $5.00
by Jan Takasihaeng $7.00
by Nursalam $7.00
by Prianto & Fritz $30.00