by Nunung Marlina Djarijah & Ir. Abbas Siregar Djarijah $6.00
by Hutabarat, Sahala & Evans, Stewart M $5.00
by Ir. H. Rahmat Rukmana $5.00
by Muhammad Chirzin $5.00
by A. M. Mangunhardjana, SJ. $4.00
by M. Ghufron H. Kordi K $9.00
by Drs. Abas Kartadinata $11.00
by Afifah Afra $6.00
by $11.00
by Ulul Azmi $6.00
by Lukas Atakasi $9.00
by Gesta Bayuadhy $4.32