by Harold G. Shane $6.00
by $7.00
by Prof. Dr. J. Winardi, SE $11.00
by Luqman-nul Hakim , Frans A Djalong , Mohtar Mas’oed $21.00
by A. Tresna Sastrawijaya, M.Sc $9.00
by Rosalie Mengsio $11.00