by C. Hanny Indraswari, SE $6.00
by Ir. Hatta Sunanta, B.Sc., MS $5.00
by Imam Al-Ghazali $9.00
by Hartono Budi, SJ. $6.00
by Heinz Frick & Tri Hesti Mulyani $5.00
by Ashadi Siregar & I Made Suarjana $6.00