by Moh. Wahyudi (pent.) $6.00
by Thaba $7.00
by - $30.00
by Thomas Ballantine Irving $6.00
by Dr. Ir. Kemas Ali Hanafiah, M.S., dkk $7.00
by DR. H.K. Martono, S.H., L.L.M $12.00
by David G. Thomas, MS $9.00