by Dr. Said Kelana & Dr. Chandra W $12.00
by Drs. Ec. Alex. S. Nitisemito dan Drs. M. Umar Burham. M.S $6.00
by M. Fuad, dkk $11.00
by Mulayadi Subri $7.00
by Anthony G. Athos $9.00
by Bilson Simamora $11.00