by Prof. Dr. H. Muhaimin, M.A $11.00
by J. Pamudji Suptandar, Arrohman Prayitno & Trubus Rahardiansah P. $20.00
by Dwi Winarno, S.Pd., M.Si $9.00
by Dr. Ibrahim Bafadal, M.Pd $7.00
by Sartono & Marina Lubniar Sartono $10.00
by Isjoni $7.00