by Michael Collins & Matthew A. Price $48.00
by Sal Severe, Ph.D. $13.00
by Ir. H. Rahmat Rukmana $6.00
by Abd. Madjid az-Zindani, A.M. Saefuddin, dkk. $9.00
by Rebert Elsberg $9.00
by Drs. Otong Surasman, S.Q. $6.00
by Herbert Vorgrimler $4.00