by RW. Allard $11.00
by Ir. Suprio Guntoro $6.00
by V. Indra Sanjaya, Pr. $4.00
by Dr. H. Pidyarto Gunawan, O.Carm $4.00
by Ir. Rindit Pembayun, M.P. $6.00
by Ir. G. Djatmiko Sudarmo & Ir. S. J. Edy Purnomo $11.00