by Yoga Aditama, Tjandra $11.00
by John Westerman $11.00
by PROF. DR. IR. ALI KHOMSAN & $16.00
by Dr. Ahmad Jayadi, M.Pd $7.00
by L.M. Samryn $9.00
by Nursaadah $7.00
by Prof. Dr. Ami Muhammad $9.00