by WK $13.00
by Red Communication $9.00
by Prof. Dr. H. Abdurrahmat Fathoni, M.Si $11.00
by Adrianus Pristiono, O.Carm $5.00
by Hadi Soewito, Nana N., Soedarini S. $12.00
by Ir. Lisdiana Fachruddin $5.00