by Helmi Karim $6.00
by Darmaningtyas $9.00
by Sri Praptianingsih $9.00
by Dr. Ibrahim Bafadal, M.Pd $9.00
by Sutherland Lyall $31.00
by Rachmat H. Cahyono $6.00
by Zainal Asikin, dkk $6.00
by Pandji Anoraga, S.E, M.M $6.00
by Kenji Matsura $50.00
by Dr. Albert M. Hutapea, MPH $11.00