by Aziz Alimul $9.00
by Prof. dr. Arjatmo tj., dr. boenyamin S $5.00
by Vicki Iovine $11.00
by Brooks $20.00
by Aziz Alimul $7.00
by Prof. Dr. Nur Nasry Noor, M.P.H $6.00
by Kushartanti, Untung Y., Multamia $12.00