by Stefan Leks $16.00
by Tim Redaksi Tatanusa $12.00
by Gunawan Widjaja, A. Yani $9.00
by Ir. Eddy Afrianto & Ir. Evi Liviawaty $6.00
by Drs. Sudarsono, S.H., M.Si, dkk $9.00
by Jonni M.S, M.Sitorus, Nelly K $7.00