by Prof. Dr. Makmur, M.Si $7.00
by Agus Setiawan $0.00
by Prof. Dr. Sudarwan Danim $9.00
by Wahyuni Mulyawati & Ilse Harahap $7.00
by H. Rohiman Notowidagdo $7.00
by Drs. Amin Widjaja Tunggal, Ak., M.B.A $11.00