by Yayasan Perspektif Baru $18.00
by ISEI $12.00
by Drs. Hadiyanto, M.Ed $9.00
by Prof. Dr. Makmur, M.Si $7.00
by P. Joko Subagyo, S.H $7.00
by Drs. Sudarsono , S.H., M.Si/A. Shallaby $12.00