by Jeffry Stephens $5.00
by Aline de Petigny $6.00
by Drs. R.H. Wiwoho, M.Sc $9.00
by Hilman, Boim & Gusur $5.00
by V. Lestari $7.00
by Drs. Joko Tri Prasetyo, dkk $9.00