by Drs. Thomas Suyatno, dkk $11.00
by John D. Martin $9.00
by Bachrawi Sanusi $9.00
by $6.00
by Ir. Doli Siregar, M.Sc., FRICS., SVC $11.00
by Prof. Komaruddin $11.00
by Amiruddin Hamzah, SH. $6.00
by Gunawan Widjaja, A. Yani $7.00
by Rofi'l $5.00
by - $9.00
by Slamet Soetrisno $6.00