by Drs. Prathama Rahardja $7.00
by Prof. J. Supranto, M.A., APU $11.00
by DR. Farida Yusuf Tayibnapis, M.Pd $7.00
by Drs. Djoko Tri Prasetya, dkk $7.00
by Prof. Ir. Amris Makmur $6.00
by Drs. H.M. Yacob Ibrahim $11.00