by Soekartawi, dkk $7.00
by Sujoko, Siti Mariyam $5.00
by Murad Lesmana, Jeanette $5.00
by Andrias Harefa $7.00
by Booth, Anne $9.00
by Swasono, Sri-Edi $6.00
by Laboratorium FH UNPAR $6.00
by Mohammad As Sa'dawi $5.00