by Prof. DR. Koentjaraningrat $9.00
by Pandji Anoraga, S.E., M.M $13.00
by Ir. H. Sudirman, Mpi & Prof. DR. Ir. Achmad Mellawa $9.00
by Jaja Zakaria $7.00
by Nasikun $6.00
by Radiks Purba $13.00