by Prof. Komaruddin $7.00
by James Barros $11.00
by Ir. Moehar Daniel, M.S & Ir. Darmawati, M.Sc & Ir. Nieldalina, M.Si $7.00
by Joeniarto, S.H $9.00
by Dr. Ir. H. Suprijanto $9.00
by Drs. Daryanto $6.00
by Prof. Dr. Oemar Hamalik $9.00