by Ernest Dichter $9.00
by Hermawan Kartajaya $11.00
by Norman Long $11.00
by Yves Brunsvick & Andre Danzin $6.00
by Akhmad Zaini Abar $6.00
by R.P.S. Padmobusono $3.00
by Drs. I Nyoman Beratha $7.00
by Marsana Windhu $3.00
by Yori Antar $32.00
by Jack Canfield & Mark Victor Hansen $7.00
by Abdul Haris $13.00
by Nasruddin Amshary, Sudarsono $14.00