by Roger Garaudy $7.00
by Ir. Sudadi Martodireso & Ir. Widada Agus Suryanto, MM $5.00
by Daru Maheldaswara $6.00
by Adnin Armas, M.A $7.00
by Asep Syamsul M. Romli, SIP $6.00
by Sarlito Wirawan Sarwono $9.00