by dr. Kartono Mohamad $9.00
by Anwar, Moh. Arsjad, dkk $11.00
by Dr. Pradana Soewondo, SpPD-KEMD $7.00
by Dr. Bahder Johan Nasution, S.H., S.M., M.Hum $7.00
by Nursalam $13.00
by Aziz Alimul $7.00