by Mansur Samin $6.00
by Cik Hasan Bisri $6.00
by Drs. Tjahya Supriatna, M.S $9.00
by Fausiah, Fitri, & Julianti Widury $7.00
by K. Usman $5.00
by Andrias Harefa $7.00
by Denny J. A $9.00
by Prof. H.M. Arifin, M.Ed $9.00
by Dra. Moeslichatoen R., M.Pd $7.00
by $6.00
by Aziz Alimul $7.00
by BBC $7.00