by Dra. Khusnul Khotimah $6.00
by Prof. Dr. Suharsimi Arikunto $11.00
by Ir. AG. Kartasapoetra $9.00
by Prof. I. R. Poedjawiyatna $9.00
by - $12.00
by Daniel J. Mueller $7.00
by Ahmad Syahrizal $11.00
by Drs. Amin Widjaja Tunggal, Ak., M.B.A $11.00
by Dr. Soekartawi $6.00
by AAK (Aksi Agraris Kanisius) $6.00
by Novia Syahidah $6.00
by Iwan Kurniawan $6.00