by WK $12.00
by Aziz Alimul $7.00
by Harun Al Rasyid, dkk $8.00
by Dr. Machasin MA $6.00
by Prof. Dr. dr. Pinardi Hadidjaja, MPH & TM $5.00
by Pahmi Rohliansyah $6.00
by Purnadi Purbacaraka $5.00
by Hudi Matnawi $6.00
by Stallings $18.00
by WK $20.00
by Aziz Alimul $9.00
by - $5.00