by Endar Sugiarto & Ir. Kusmayadi $9.00
by Joko Lelono $5.00
by - $12.00
by Prof. Dr. Husaini Usman, M.Pd & R. Purnomo Setiady Akbar, S.Pd., M.Pd $11.00
by $6.00
by Institut Dayakologi $12.00