by Ir. Hieronymus Budi Santoso $5.00
by Ir. Sudadi Martodireso & Ir. Widada Agus Suryanto, MM $6.00
by Al. Wahjasudibja, Pr. $12.00
by Ir. Heinz Frick $6.00
by M. Ghufron H. Kordi K $7.00
by Prof. Dr. Komarudin Hidayat $5.00
by Koentjaraningrat $7.00
by Prof. H.M. Arifin, M.Ed $9.00
by Nursalam $9.00
by Tarwoto $9.00
by - $9.00