by Andang Priadi S. M $5.00
by Ir. Juhaeni Radi $0.00
by Ir. Jumar $9.00
by Eugene L. Grant. Terj. Drs. E. Komaruddin $13.00
by Drs. Amin Widjaja Tunggal, Ak., M.B.A $11.00
by Drs. Sudarsono, S.H., M.Si $7.00
by Ir. Kaslan A. Tohir $9.00