by Ko Nomura, Latifah Hendarti $9.00
by Alison Hull, M.P.H., R.D $6.00
by Isjoni $8.00
by Prof. Dr. Sondang P. Siagian, M.P.A $7.00
by Drs. H. Hartomo dan Dra. Amicun Azis $11.00
by Prof. Ir. Zoer'ani Djamal Irwan, M.Sc $9.00