by Drs. Agus Sujanto, dkk $7.00
by Norman P. Tanner $6.00
by Anthony F. Chiffolo $4.00
by Prof. Dr. Kees Bertens, MSC $9.00
by Dr. Hartono Budi, SJ. & Dr. M. Purwatma, Pr. (Editor) $7.00
by Ir. Jarot Wijanarko $9.00