by Drs. Ton Kertapati $7.00
by Dr. Ir. Hermawan Thaheer $11.00
by Maria Ulfah Anshor $9.00
by Dra. Dwi Hayu Agustini, MBA $9.00
by Prof. Dr. Husaini Usman, M.Pd., M.T $16.00
by Drs. Sudiyono, M.Si $6.00