by Prof. Drs. H.A.W. Widjaja $6.00
by Drs. Bayu Surianingrat $18.00
by Drs. Mustaqim $7.00
by Alleen H. Lipis, dkk $9.00
by Drs. H. Zainuddin $9.00
by Prof. Dr. Ir. Rokhimin Dahmi, MS $18.00