by $4.00
by Ir. Setijo Pitojo $6.00
by $3.00
by Ir. Heinz Frick $6.00
by Rex A. Pai, SJ. $7.00
by Dr. Budi Tri Akoso $11.00
by Bagir Manan $7.00
by Petrus Suparyanto, FIC $7.00
by Nur Syam $12.00