by Djokosetio Sidiarto, Lily dkk $7.00
by Swasono, Sri-Edi $7.00
by Perserikatan Bangsa-Bangsa $7.00
by dr. Clifford Rose & dr. Paul Davies $6.00
by Gittinger, J. Price $9.00
by Rivai, Harrizul $9.00