by Tarwoto $9.00
by Prof. Dr. Umar Fahmi Achmadi, M.P.H., Ph.D $9.00
by Katzung $30.00
by Martin, A., dkk $11.00
by Prof. Dr. Ir. Ali Khomsan $9.00
by Prof. Dr. Nur Nasry Noor, M.P.H $6.00