by Prof. Dr. Utami Munandar $11.00
by Ostina Panjaitan $6.00
by Dr. Ahmad Jayadi, M.Pd $7.00
by Soenjono Dardjowidjojo $18.00
by M. Aziz Toyibin dan A. Kosasih Djahiri $12.00
by Drs. Abdullah Ali, Drs. Misbandono, dan Ir. Eny Rahma $7.00
by Drs. Daryanto $7.00
by Dogra, S.K & S. Dogra $12.00
by Ir. Bambang Cahyono $7.00
by - $9.00
by Iin Inayah $11.00
by Nursalam $9.00