by H. Hartono, A. Ma. Pd $6.00
by Drs. Rudy T. Erwin, S.H $9.00
by Hasan Shadily, M.A $12.00
by Drs. H.A.F. Idris $11.00
by Prof. Dr. Budi Winarno, MA $11.00
by Pandji Anoraga, S.E, M.M $6.00