by Ir. Nur Tjahjadi $5.00
by Ir. Bambang Cahyono $5.00
by Binyamin Torun $6.00
by Ir. Sudadi Martodireso & Ir. Widada Agus Suryanto, MM $6.00
by Drs. Sudarsono, S.H., M.Si $7.00
by Th. Aq. M. Rochadi Widagdo, Pr. $6.00