by Ir. Setijo Pitojo $5.00
by Ir. Hatta Sunanta, B.Sc., MS $5.00
by Michael, P $11.00
by Hudi Matnawi $6.00
by Raswari $9.00
by Wirakusumah, Sambas $9.00
by A.H. Polard, dkk $11.00
by Qodi Iyad Al Yahsubi $13.00
by Tim Redaksi Tatanusa $0.00
by M. Ismail Yusanto, M. Karebet Widjayakusuma $9.00
by $6.00