by dr. Moses Wong $7.00
by Gregory Grossman $9.00
by Leech, Geoffrey $7.00
by Dra. Moeslichatoen R., M.Pd $7.00
by Mansur Samin $6.00
by Prof. Dr. Husaini Usman, M.Pd dan R. Purnomo Setiady Akbar, S.Pd., M.Pd $6.00