by Prof. Dr. S. Nasution, M.A. $6.00
by Dr. Eti Rochaety, dkk $9.00
by Prof. Dr. H.A.R. Tilaar, MSc.Ed $11.00
by Hasbullah $9.00
by Toelihere, Mozes R & Yuhara Sukra $5.00
by M. Aziz Toyibin dan A. Kosasih Djahiri $12.00