by Harry Simons $12.00
by Syam Hardy $9.00
by Prof. Dr. H.A.R. Tilaar, MSc.Ed $11.00
by Ibnu Taimiyah, Terj. Halimuddin, S.H $11.00
by Victor Situmorang, S.H $7.00
by DR. Ir. Hj. Tati Nurmala, S.W $6.00