by Kusno Budi Santoso dan S. Ary Soewendo $11.00
by Djoko Prakoso, S.H., dkk $18.00
by Abuddin Nata $12.00
by Prof. H.M. Arifin, M.Ed $9.00
by Susmayati, B.A., dkk $7.00
by Prof. Dr. Suharsimi Arikunto $6.00