by Dr. Ahmad Jayadi, M.Pd $7.00
by Gunawan Widjaja & Kartini Mulyadi $7.00
by Imam Syaukani & A. Ahsin Thohari $7.00
by Prof. Dr. S. Nasution, M.A. $7.00
by Dr. Muhammad Abd. Haq Ansari $6.00
by Y. Dedy Pradipto $11.00