by Richard Burton Simatupang, S.H $12.00
by Gatot Soemartono $11.00
by Drs. H. Abu Ahmadi $11.00
by Drs. G. Kartasapoetra $12.00
by Prof. Ir. Amris Makmur $6.00
by Drs. Ahmad Rohani., H.M., M.Pd $6.00