by Mohammad Daud Ali $9.00
by Rowe & Schofield $18.00
by Prof. Dr. J. Winardi, SE $11.00
by Dra. Hj. Etin Solihatin, M.Pd, Rahardjo, S.Pd $7.00
by Prof. Dr. H. Harsuki, MA $11.00
by Rachman Sani $7.00