by Prof. Dr. Nur Nasry Noor, M.P.H $6.00
by Aziz Alimul $9.00
by J.H. Tarumetor Tairas $9.00
by WK $20.00
by Thabrani $13.00
by F. Batmanghelidj, M.D $11.00
by HIT Entertainment $6.00