by Ir. H. Rahmat Rukmana $5.00
by Suhema, S.Pd $7.00
by DR. Ir. Hj. Tati Nurmala, S.W $6.00
by Arlyn J. Melcher $9.00
by Ir. Sarjoni Basri $12.00
by H. Rahmat Rukmana $5.00
by John L. Espostio $11.00
by Dr. Khalid Abu Syadi $9.00
by O. Solihin & Iwan Januar $6.00
by Drs. Ign. Masidjo $9.00
by Huala Adolf, S. H., LL M., Ph.D. $9.00
by Dede Mulyanto, Deni Mukbar, Maria Endah, Putut Aryo $13.00