by Koko Hidayat $6.00
by H. Sudiarto & Zaeni Asyhadie $7.00
by H. PIDI BAIQ $8.00
by Fajar Ayuningsih $11.00
by Prof. Dr. Ir. Ali Khomsan $9.00
by Muhammad Wahyuni Nafis $5.00
by H. Abu Daud Busroh $9.00
by Tim Agro Kanisius $9.00
by Ulrich $16.00
by Mel Levina, M.D. $13.00
by Robert W. Hefner $16.00
by Suhrawardi K. Lubis, S. H. $9.00