by F. A. Suwandi Wihardjo, B. Sc $6.00
by Ir. Bambang Cahyono $7.00
by Rachmanto $6.00
by Ir. H. Rahmat Rukmana $6.00
by Ir. Abbas Siregar Djarijah $5.00
by Tim Perkamusan Universitas Indonesia $38.00