by Rachmat H. Cahyono $6.00
by Prof. Dr. dr. Poerwo Soedarmo (Alm) $7.00
by Barda Nawawi Arief $9.00
by Prof. Dr. dr. Pinardi Hadidjaja, MPH & TM $5.00
by Aziz Alimul $9.00
by $16.00