by Nursalam $7.00
by Aziz Alimul $11.00
by Prof. Dr. Askandar Tjokroprawiro $9.00
by dr. Tjandra Yoga Aditama $5.00
by Prof. Dr. dr. Pinardi Hadidjaja, MPH & TM $5.00
by Brooks $20.00
by Dr. Menaldi Rasmin, SpP(K), Dr. Pudji K S $6.00