by Eileen Rachman (Kata Pengantar) $7.00
by Munandar, Ashar Sunyoto $12.00
by Sayogjo $6.00
by IBII $7.00
by Sugiarto, Dergibson Siagian, dkk $7.00
by Sotar Baduara & Drs. S. Martin Sirait $6.00