by Jatna Supriatna, Edy Hendras W. $7.00
by Drs. Sudiyo $6.00
by Ridwan Saidi $7.00
by Prof.Drs. H. Rustam E. Tamburaka, M.A. $9.00
by SM Ardan $11.00
by S.M. Ardan $11.00