by - $11.00
by Prof. Dr. Suharsimi Arikunto $11.00
by Bachsan Mustafa, S.H. $5.00
by Djoko Prakoso, S.H. $7.00
by D. W. Bowett, QCLLD $16.00
by Drs. Sudarsono, S.H., M.Si $7.00