by Drs. Burhanuddin Salam $9.00
by Sastrodiwirjo, Soemargo, dkk $5.00
by Drs. Syaiful Bahri Djamarah $11.00
by Dra. Roestiyah NK $7.00
by Asiyanto $6.00
by Tangoro, Dwi $6.00
by Prof. Dr. Ir. Ali Khomsan $11.00
by $6.00
by S. Wibowo $13.00