by AAK $5.00
by Suharso, A.S.P $6.00
by Penerbit OBOR $5.00
by Abdullah bin Jaarulah $5.00
by Ir. Pracaya $6.00
by Al. Wahjasudibja, Pr. $10.00
by $12.00
by $6.00
by Prof. Abdur Rahman I Do'I, Ph.D $7.00