by Prof. Dr. Nur Nasry Noor, M.P.H $6.00
by $11.00
by Fachruddin H.S $7.00
by Connel, Des. W. $7.00
by Dr. Ronald Hutapea, SKM, Ph.D $6.00
by $6.00
by Muzaham, Fauzi $7.00
by Alvin S. Johnson $11.00
by Mahyudin Al Mudra & Tuti Sumarningsih $6.00
by Park In-Hwan, dkk $15.00