by Prof. Dr. Soekartawi $7.00
by Parakkasi, Aminuddin $6.00
by Ir. Sarjoni Basri $12.00
by Ir. Eddy Afrianto & Ir. Evi Liviawaty $7.00
by Drs. M. Daryono., dkk $9.00
by Richard G. Lipsey & Peter O. Steiner $18.00
by Fr Wahono N $6.00
by A. Ghufron, S.H., dkk $7.00
by Abdul Manan $12.00
by Septiawan Santana Kurnia $11.00
by $9.00