by Tanenbaum $13.00
by WK $11.00
by Thabrani $11.00
by S. Soegijanto $11.00
by Hendra Sutardhio $9.00
by WK $12.00
by $40.00
by Sitor Situmorang $7.00
by Erman Rajagukguk, S.H $6.00
by Djoehana Setyamidjaja, M.Ed $7.00
by $5.00
by Marga T $7.00